387848240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{28687}}^1$

素因数の和:28726

約数の個数: 60

約数和(自身を含む): 976482144

約数和(自身を除く): 588633904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 28687, 57374, 114748, 143435, 229496, 286870, 372931, 458992, 573740, 745862, 1147480, 1491724, 1864655, 2294960, 2983448, 3729310, 4848103, 5966896, 7458620, 9696206, 14917240, 19392412, 24240515, 29834480, 38784824, 48481030, 77569648, 96962060, 193924120, 387848240]

約数ペア:

[(1, 387848240), (2, 193924120), (4, 96962060), (5, 77569648), (8, 48481030), (10, 38784824), (13, 29834480), (16, 24240515), (20, 19392412), (26, 14917240), (40, 9696206), (52, 7458620), (65, 5966896), (80, 4848103), (104, 3729310), (130, 2983448), (169, 2294960), (208, 1864655), (260, 1491724), (338, 1147480), (520, 745862), (676, 573740), (845, 458992), (1040, 372931), (1352, 286870), (1690, 229496), (2704, 143435), (3380, 114748), (6760, 57374), (13520, 28687)]