123789200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 313670400

約数和(自身を除く): 189881200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 67, 80, 100, 124, 134, 149, 155, 200, 248, 268, 298, 310, 335, 400, 496, 536, 596, 620, 670, 745, 775, 1072, 1192, 1240, 1340, 1490, 1550, 1675, 2077, 2384, 2480, 2680, 2980, 3100, 3350, 3725, 4154, 4619, 5360, 5960, 6200, 6700, 7450, 8308, 9238, 9983, 10385, 11920, 12400, 13400, 14900, 16616, 18476, 19966, 20770, 23095, 26800, 29800, 33232, 36952, 39932, 41540, 46190, 49915, 51925, 59600, 73904, 79864, 83080, 92380, 99830, 103850, 115475, 159728, 166160, 184760, 199660, 207700, 230950, 249575, 309473, 369520, 399320, 415400, 461900, 499150, 618946, 798640, 830800, 923800, 998300, 1237892, 1547365, 1847600, 1996600, 2475784, 3094730, 3993200, 4951568, 6189460, 7736825, 12378920, 15473650, 24757840, 30947300, 61894600, 123789200]

約数ペア:

[(1, 123789200), (2, 61894600), (4, 30947300), (5, 24757840), (8, 15473650), (10, 12378920), (16, 7736825), (20, 6189460), (25, 4951568), (31, 3993200), (40, 3094730), (50, 2475784), (62, 1996600), (67, 1847600), (80, 1547365), (100, 1237892), (124, 998300), (134, 923800), (149, 830800), (155, 798640), (200, 618946), (248, 499150), (268, 461900), (298, 415400), (310, 399320), (335, 369520), (400, 309473), (496, 249575), (536, 230950), (596, 207700), (620, 199660), (670, 184760), (745, 166160), (775, 159728), (1072, 115475), (1192, 103850), (1240, 99830), (1340, 92380), (1490, 83080), (1550, 79864), (1675, 73904), (2077, 59600), (2384, 51925), (2480, 49915), (2680, 46190), (2980, 41540), (3100, 39932), (3350, 36952), (3725, 33232), (4154, 29800), (4619, 26800), (5360, 23095), (5960, 20770), (6200, 19966), (6700, 18476), (7450, 16616), (8308, 14900), (9238, 13400), (9983, 12400), (10385, 11920)]