838606840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{1483}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 1925400960

約数和(自身を除く): 1086794120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 211, 268, 335, 422, 536, 670, 844, 1055, 1340, 1483, 1688, 2110, 2680, 2966, 4220, 5932, 7415, 8440, 11864, 14137, 14830, 28274, 29660, 56548, 59320, 70685, 99361, 113096, 141370, 198722, 282740, 312913, 397444, 496805, 565480, 625826, 794888, 993610, 1251652, 1564565, 1987220, 2503304, 3129130, 3974440, 6258260, 12516520, 20965171, 41930342, 83860684, 104825855, 167721368, 209651710, 419303420, 838606840]

約数ペア:

[(1, 838606840), (2, 419303420), (4, 209651710), (5, 167721368), (8, 104825855), (10, 83860684), (20, 41930342), (40, 20965171), (67, 12516520), (134, 6258260), (211, 3974440), (268, 3129130), (335, 2503304), (422, 1987220), (536, 1564565), (670, 1251652), (844, 993610), (1055, 794888), (1340, 625826), (1483, 565480), (1688, 496805), (2110, 397444), (2680, 312913), (2966, 282740), (4220, 198722), (5932, 141370), (7415, 113096), (8440, 99361), (11864, 70685), (14137, 59320), (14830, 56548), (28274, 29660)]