98900000

素因数分解:

$2^5\times 5^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 259858368

約数和(自身を除く): 160958368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 43, 46, 50, 80, 86, 92, 100, 115, 125, 160, 172, 184, 200, 215, 230, 250, 344, 368, 400, 430, 460, 500, 575, 625, 688, 736, 800, 860, 920, 989, 1000, 1075, 1150, 1250, 1376, 1720, 1840, 1978, 2000, 2150, 2300, 2500, 2875, 3125, 3440, 3680, 3956, 4000, 4300, 4600, 4945, 5000, 5375, 5750, 6250, 6880, 7912, 8600, 9200, 9890, 10000, 10750, 11500, 12500, 14375, 15824, 17200, 18400, 19780, 20000, 21500, 23000, 24725, 25000, 26875, 28750, 31648, 34400, 39560, 43000, 46000, 49450, 50000, 53750, 57500, 71875, 79120, 86000, 92000, 98900, 100000, 107500, 115000, 123625, 134375, 143750, 158240, 172000, 197800, 215000, 230000, 247250, 268750, 287500, 395600, 430000, 460000, 494500, 537500, 575000, 618125, 791200, 860000, 989000, 1075000, 1150000, 1236250, 1978000, 2150000, 2300000, 2472500, 3090625, 3956000, 4300000, 4945000, 6181250, 9890000, 12362500, 19780000, 24725000, 49450000, 98900000]

約数ペア:

[(1, 98900000), (2, 49450000), (4, 24725000), (5, 19780000), (8, 12362500), (10, 9890000), (16, 6181250), (20, 4945000), (23, 4300000), (25, 3956000), (32, 3090625), (40, 2472500), (43, 2300000), (46, 2150000), (50, 1978000), (80, 1236250), (86, 1150000), (92, 1075000), (100, 989000), (115, 860000), (125, 791200), (160, 618125), (172, 575000), (184, 537500), (200, 494500), (215, 460000), (230, 430000), (250, 395600), (344, 287500), (368, 268750), (400, 247250), (430, 230000), (460, 215000), (500, 197800), (575, 172000), (625, 158240), (688, 143750), (736, 134375), (800, 123625), (860, 115000), (920, 107500), (989, 100000), (1000, 98900), (1075, 92000), (1150, 86000), (1250, 79120), (1376, 71875), (1720, 57500), (1840, 53750), (1978, 50000), (2000, 49450), (2150, 46000), (2300, 43000), (2500, 39560), (2875, 34400), (3125, 31648), (3440, 28750), (3680, 26875), (3956, 25000), (4000, 24725), (4300, 23000), (4600, 21500), (4945, 20000), (5000, 19780), (5375, 18400), (5750, 17200), (6250, 15824), (6880, 14375), (7912, 12500), (8600, 11500), (9200, 10750), (9890, 10000)]