771797390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 128

約数和(自身を含む): 1788272640

約数和(自身を除く): 1016475250

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 109, 130, 155, 182, 217, 218, 251, 310, 403, 434, 455, 502, 545, 763, 806, 910, 1085, 1090, 1255, 1417, 1526, 1757, 2015, 2170, 2510, 2821, 2834, 3263, 3379, 3514, 3815, 4030, 5642, 6526, 6758, 7085, 7630, 7781, 8785, 9919, 14105, 14170, 15562, 16315, 16895, 17570, 19838, 22841, 23653, 27359, 28210, 32630, 33790, 38905, 43927, 45682, 47306, 49595, 54467, 54718, 77810, 87854, 99190, 101153, 108934, 114205, 118265, 136795, 191513, 202306, 219635, 228410, 236530, 272335, 273590, 307489, 355667, 383026, 439270, 505765, 544670, 614978, 708071, 711334, 848129, 957565, 1011530, 1416142, 1537445, 1696258, 1778335, 1915130, 2489669, 3074890, 3540355, 3556670, 4240645, 4979338, 5936903, 7080710, 8481290, 11025677, 11873806, 12448345, 22051354, 24896690, 29684515, 55128385, 59369030, 77179739, 110256770, 154359478, 385898695, 771797390]

約数ペア:

[(1, 771797390), (2, 385898695), (5, 154359478), (7, 110256770), (10, 77179739), (13, 59369030), (14, 55128385), (26, 29684515), (31, 24896690), (35, 22051354), (62, 12448345), (65, 11873806), (70, 11025677), (91, 8481290), (109, 7080710), (130, 5936903), (155, 4979338), (182, 4240645), (217, 3556670), (218, 3540355), (251, 3074890), (310, 2489669), (403, 1915130), (434, 1778335), (455, 1696258), (502, 1537445), (545, 1416142), (763, 1011530), (806, 957565), (910, 848129), (1085, 711334), (1090, 708071), (1255, 614978), (1417, 544670), (1526, 505765), (1757, 439270), (2015, 383026), (2170, 355667), (2510, 307489), (2821, 273590), (2834, 272335), (3263, 236530), (3379, 228410), (3514, 219635), (3815, 202306), (4030, 191513), (5642, 136795), (6526, 118265), (6758, 114205), (7085, 108934), (7630, 101153), (7781, 99190), (8785, 87854), (9919, 77810), (14105, 54718), (14170, 54467), (15562, 49595), (16315, 47306), (16895, 45682), (17570, 43927), (19838, 38905), (22841, 33790), (23653, 32630), (27359, 28210)]