513431750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 1040981760

約数和(自身を除く): 527550010

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 239, 250, 325, 478, 650, 661, 1195, 1322, 1625, 2390, 3107, 3250, 3305, 5975, 6214, 6610, 8593, 11950, 15535, 16525, 17186, 29875, 31070, 33050, 42965, 59750, 77675, 82625, 85930, 155350, 157979, 165250, 214825, 315958, 388375, 429650, 776750, 789895, 1074125, 1579790, 2053727, 2148250, 3949475, 4107454, 7898950, 10268635, 19747375, 20537270, 39494750, 51343175, 102686350, 256715875, 513431750]

約数ペア:

[(1, 513431750), (2, 256715875), (5, 102686350), (10, 51343175), (13, 39494750), (25, 20537270), (26, 19747375), (50, 10268635), (65, 7898950), (125, 4107454), (130, 3949475), (239, 2148250), (250, 2053727), (325, 1579790), (478, 1074125), (650, 789895), (661, 776750), (1195, 429650), (1322, 388375), (1625, 315958), (2390, 214825), (3107, 165250), (3250, 157979), (3305, 155350), (5975, 85930), (6214, 82625), (6610, 77675), (8593, 59750), (11950, 42965), (15535, 33050), (16525, 31070), (17186, 29875)]