129205700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5231}}^1$

素因数の和:5277

約数の個数: 72

約数和(自身を含む): 317896320

約数和(自身を除く): 188690620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 5231, 6175, 10462, 12350, 20924, 24700, 26155, 52310, 68003, 99389, 104620, 130775, 136006, 198778, 261550, 272012, 340015, 397556, 496945, 523100, 680030, 993890, 1292057, 1360060, 1700075, 1987780, 2484725, 2584114, 3400150, 4969450, 5168228, 6460285, 6800300, 9938900, 12920570, 25841140, 32301425, 64602850, 129205700]

約数ペア:

[(1, 129205700), (2, 64602850), (4, 32301425), (5, 25841140), (10, 12920570), (13, 9938900), (19, 6800300), (20, 6460285), (25, 5168228), (26, 4969450), (38, 3400150), (50, 2584114), (52, 2484725), (65, 1987780), (76, 1700075), (95, 1360060), (100, 1292057), (130, 993890), (190, 680030), (247, 523100), (260, 496945), (325, 397556), (380, 340015), (475, 272012), (494, 261550), (650, 198778), (950, 136006), (988, 130775), (1235, 104620), (1300, 99389), (1900, 68003), (2470, 52310), (4940, 26155), (5231, 24700), (6175, 20924), (10462, 12350)]