189312040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{152671}}^1$

素因数の和:152713

約数の個数: 32

約数和(自身を含む): 439695360

約数和(自身を除く): 250383320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 152671, 305342, 610684, 763355, 1221368, 1526710, 3053420, 4732801, 6106840, 9465602, 18931204, 23664005, 37862408, 47328010, 94656020, 189312040]

約数ペア:

[(1, 189312040), (2, 94656020), (4, 47328010), (5, 37862408), (8, 23664005), (10, 18931204), (20, 9465602), (31, 6106840), (40, 4732801), (62, 3053420), (124, 1526710), (155, 1221368), (248, 763355), (310, 610684), (620, 305342), (1240, 152671)]