202034440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2774

約数の個数: 64

約数和(自身を含む): 477112320

約数和(自身を除く): 275077880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 2671, 3782, 5342, 7564, 9455, 10684, 13355, 15128, 18910, 21368, 26710, 37820, 53420, 75640, 82801, 106840, 162931, 165602, 325862, 331204, 414005, 651724, 662408, 814655, 828010, 1303448, 1629310, 1656020, 3258620, 3312040, 5050861, 6517240, 10101722, 20203444, 25254305, 40406888, 50508610, 101017220, 202034440]

約数ペア:

[(1, 202034440), (2, 101017220), (4, 50508610), (5, 40406888), (8, 25254305), (10, 20203444), (20, 10101722), (31, 6517240), (40, 5050861), (61, 3312040), (62, 3258620), (122, 1656020), (124, 1629310), (155, 1303448), (244, 828010), (248, 814655), (305, 662408), (310, 651724), (488, 414005), (610, 331204), (620, 325862), (1220, 165602), (1240, 162931), (1891, 106840), (2440, 82801), (2671, 75640), (3782, 53420), (5342, 37820), (7564, 26710), (9455, 21368), (10684, 18910), (13355, 15128)]