159820400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1291

約数の個数: 120

約数和(自身を含む): 428298480

約数和(自身を除く): 268478080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 170, 190, 200, 272, 304, 323, 340, 380, 400, 425, 475, 646, 680, 760, 850, 950, 1237, 1292, 1360, 1520, 1615, 1700, 1900, 2474, 2584, 3230, 3400, 3800, 4948, 5168, 6185, 6460, 6800, 7600, 8075, 9896, 12370, 12920, 16150, 19792, 21029, 23503, 24740, 25840, 30925, 32300, 42058, 47006, 49480, 61850, 64600, 84116, 94012, 98960, 105145, 117515, 123700, 129200, 168232, 188024, 210290, 235030, 247400, 336464, 376048, 399551, 420580, 470060, 494800, 525725, 587575, 799102, 841160, 940120, 1051450, 1175150, 1598204, 1682320, 1880240, 1997755, 2102900, 2350300, 3196408, 3995510, 4205800, 4700600, 6392816, 7991020, 8411600, 9401200, 9988775, 15982040, 19977550, 31964080, 39955100, 79910200, 159820400]

約数ペア:

[(1, 159820400), (2, 79910200), (4, 39955100), (5, 31964080), (8, 19977550), (10, 15982040), (16, 9988775), (17, 9401200), (19, 8411600), (20, 7991020), (25, 6392816), (34, 4700600), (38, 4205800), (40, 3995510), (50, 3196408), (68, 2350300), (76, 2102900), (80, 1997755), (85, 1880240), (95, 1682320), (100, 1598204), (136, 1175150), (152, 1051450), (170, 940120), (190, 841160), (200, 799102), (272, 587575), (304, 525725), (323, 494800), (340, 470060), (380, 420580), (400, 399551), (425, 376048), (475, 336464), (646, 247400), (680, 235030), (760, 210290), (850, 188024), (950, 168232), (1237, 129200), (1292, 123700), (1360, 117515), (1520, 105145), (1615, 98960), (1700, 94012), (1900, 84116), (2474, 64600), (2584, 61850), (3230, 49480), (3400, 47006), (3800, 42058), (4948, 32300), (5168, 30925), (6185, 25840), (6460, 24740), (6800, 23503), (7600, 21029), (8075, 19792), (9896, 16150), (12370, 12920)]