156794687420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{622547}}^1$

素因数の和:622827

約数の個数: 72

約数和(自身を含む): 384518017296

約数和(自身を除く): 227723329876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 490, 514, 980, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 12593, 17990, 25186, 35980, 50372, 62965, 125930, 251860, 622547, 1245094, 2490188, 3112735, 4357829, 6225470, 8715658, 12450940, 17431316, 21789145, 30504803, 43578290, 61009606, 87156580, 122019212, 152524015, 159994579, 305048030, 319989158, 610096060, 639978316, 799972895, 1119962053, 1599945790, 2239924106, 3199891580, 4479848212, 5599810265, 7839734371, 11199620530, 15679468742, 22399241060, 31358937484, 39198671855, 78397343710, 156794687420]

約数ペア:

[(1, 156794687420), (2, 78397343710), (4, 39198671855), (5, 31358937484), (7, 22399241060), (10, 15679468742), (14, 11199620530), (20, 7839734371), (28, 5599810265), (35, 4479848212), (49, 3199891580), (70, 2239924106), (98, 1599945790), (140, 1119962053), (196, 799972895), (245, 639978316), (257, 610096060), (490, 319989158), (514, 305048030), (980, 159994579), (1028, 152524015), (1285, 122019212), (1799, 87156580), (2570, 61009606), (3598, 43578290), (5140, 30504803), (7196, 21789145), (8995, 17431316), (12593, 12450940), (17990, 8715658), (25186, 6225470), (35980, 4357829), (50372, 3112735), (62965, 2490188), (125930, 1245094), (251860, 622547)]