1387664050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{1741}}^1$

素因数の和:2611

約数の個数: 48

約数和(自身を含む): 2721700800

約数和(自身を除く): 1334036750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 839, 950, 1678, 1741, 3482, 4195, 8390, 8705, 15941, 17410, 20975, 31882, 33079, 41950, 43525, 66158, 79705, 87050, 159410, 165395, 330790, 398525, 797050, 826975, 1460699, 1653950, 2921398, 7303495, 14606990, 27753281, 36517475, 55506562, 73034950, 138766405, 277532810, 693832025, 1387664050]

約数ペア:

[(1, 1387664050), (2, 693832025), (5, 277532810), (10, 138766405), (19, 73034950), (25, 55506562), (38, 36517475), (50, 27753281), (95, 14606990), (190, 7303495), (475, 2921398), (839, 1653950), (950, 1460699), (1678, 826975), (1741, 797050), (3482, 398525), (4195, 330790), (8390, 165395), (8705, 159410), (15941, 87050), (17410, 79705), (20975, 66158), (31882, 43525), (33079, 41950)]