393918210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{625267}}^1$

素因数の和:625287

約数の個数: 48

約数和(自身を含む): 1170501696

約数和(自身を除く): 776583486

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 625267, 1250534, 1875801, 3126335, 3751602, 4376869, 5627403, 6252670, 8753738, 9379005, 11254806, 13130607, 18758010, 21884345, 26261214, 28137015, 39391821, 43768690, 56274030, 65653035, 78783642, 131306070, 196959105, 393918210]

約数ペア:

[(1, 393918210), (2, 196959105), (3, 131306070), (5, 78783642), (6, 65653035), (7, 56274030), (9, 43768690), (10, 39391821), (14, 28137015), (15, 26261214), (18, 21884345), (21, 18758010), (30, 13130607), (35, 11254806), (42, 9379005), (45, 8753738), (63, 6252670), (70, 5627403), (90, 4376869), (105, 3751602), (126, 3126335), (210, 1875801), (315, 1250534), (630, 625267)]