28170400000

素因数分解:

$2^8\times 5^5\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1595

約数の個数: 216

約数和(自身を含む): 73387677888

約数和(自身を除く): 45217277888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 128, 160, 184, 200, 230, 250, 256, 320, 368, 400, 460, 500, 575, 625, 640, 736, 800, 920, 1000, 1150, 1250, 1280, 1472, 1531, 1600, 1840, 2000, 2300, 2500, 2875, 2944, 3062, 3125, 3200, 3680, 4000, 4600, 5000, 5750, 5888, 6124, 6250, 6400, 7360, 7655, 8000, 9200, 10000, 11500, 12248, 12500, 14375, 14720, 15310, 16000, 18400, 20000, 23000, 24496, 25000, 28750, 29440, 30620, 32000, 35213, 36800, 38275, 40000, 46000, 48992, 50000, 57500, 61240, 70426, 71875, 73600, 76550, 80000, 92000, 97984, 100000, 115000, 122480, 140852, 143750, 147200, 153100, 160000, 176065, 184000, 191375, 195968, 200000, 230000, 244960, 281704, 287500, 306200, 352130, 368000, 382750, 391936, 400000, 460000, 489920, 563408, 575000, 612400, 704260, 736000, 765500, 800000, 880325, 920000, 956875, 979840, 1126816, 1150000, 1224800, 1408520, 1531000, 1760650, 1840000, 1913750, 1959680, 2253632, 2300000, 2449600, 2817040, 3062000, 3521300, 3680000, 3827500, 4401625, 4507264, 4600000, 4784375, 4899200, 5634080, 6124000, 7042600, 7655000, 8803250, 9014528, 9200000, 9568750, 9798400, 11268160, 12248000, 14085200, 15310000, 17606500, 18400000, 19137500, 22008125, 22536320, 24496000, 28170400, 30620000, 35213000, 38275000, 44016250, 45072640, 48992000, 56340800, 61240000, 70426000, 76550000, 88032500, 110040625, 112681600, 122480000, 140852000, 153100000, 176065000, 220081250, 225363200, 244960000, 281704000, 306200000, 352130000, 440162500, 563408000, 612400000, 704260000, 880325000, 1126816000, 1224800000, 1408520000, 1760650000, 2817040000, 3521300000, 5634080000, 7042600000, 14085200000, 28170400000]

約数ペア:

[(1, 28170400000), (2, 14085200000), (4, 7042600000), (5, 5634080000), (8, 3521300000), (10, 2817040000), (16, 1760650000), (20, 1408520000), (23, 1224800000), (25, 1126816000), (32, 880325000), (40, 704260000), (46, 612400000), (50, 563408000), (64, 440162500), (80, 352130000), (92, 306200000), (100, 281704000), (115, 244960000), (125, 225363200), (128, 220081250), (160, 176065000), (184, 153100000), (200, 140852000), (230, 122480000), (250, 112681600), (256, 110040625), (320, 88032500), (368, 76550000), (400, 70426000), (460, 61240000), (500, 56340800), (575, 48992000), (625, 45072640), (640, 44016250), (736, 38275000), (800, 35213000), (920, 30620000), (1000, 28170400), (1150, 24496000), (1250, 22536320), (1280, 22008125), (1472, 19137500), (1531, 18400000), (1600, 17606500), (1840, 15310000), (2000, 14085200), (2300, 12248000), (2500, 11268160), (2875, 9798400), (2944, 9568750), (3062, 9200000), (3125, 9014528), (3200, 8803250), (3680, 7655000), (4000, 7042600), (4600, 6124000), (5000, 5634080), (5750, 4899200), (5888, 4784375), (6124, 4600000), (6250, 4507264), (6400, 4401625), (7360, 3827500), (7655, 3680000), (8000, 3521300), (9200, 3062000), (10000, 2817040), (11500, 2449600), (12248, 2300000), (12500, 2253632), (14375, 1959680), (14720, 1913750), (15310, 1840000), (16000, 1760650), (18400, 1531000), (20000, 1408520), (23000, 1224800), (24496, 1150000), (25000, 1126816), (28750, 979840), (29440, 956875), (30620, 920000), (32000, 880325), (35213, 800000), (36800, 765500), (38275, 736000), (40000, 704260), (46000, 612400), (48992, 575000), (50000, 563408), (57500, 489920), (61240, 460000), (70426, 400000), (71875, 391936), (73600, 382750), (76550, 368000), (80000, 352130), (92000, 306200), (97984, 287500), (100000, 281704), (115000, 244960), (122480, 230000), (140852, 200000), (143750, 195968), (147200, 191375), (153100, 184000), (160000, 176065)]