208349570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 442907136

約数和(自身を除く): 234557566

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 367, 397, 715, 734, 794, 1430, 1835, 1985, 3670, 3970, 4037, 4367, 4771, 5161, 8074, 8734, 9542, 10322, 20185, 21835, 23855, 25805, 40370, 43670, 47710, 51610, 52481, 56771, 104962, 113542, 145699, 262405, 283855, 291398, 524810, 567710, 728495, 1456990, 1602689, 1894087, 3205378, 3788174, 8013445, 9470435, 16026890, 18940870, 20834957, 41669914, 104174785, 208349570]

約数ペア:

[(1, 208349570), (2, 104174785), (5, 41669914), (10, 20834957), (11, 18940870), (13, 16026890), (22, 9470435), (26, 8013445), (55, 3788174), (65, 3205378), (110, 1894087), (130, 1602689), (143, 1456990), (286, 728495), (367, 567710), (397, 524810), (715, 291398), (734, 283855), (794, 262405), (1430, 145699), (1835, 113542), (1985, 104962), (3670, 56771), (3970, 52481), (4037, 51610), (4367, 47710), (4771, 43670), (5161, 40370), (8074, 25805), (8734, 23855), (9542, 21835), (10322, 20185)]