291280720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{214177}}^1$

素因数の和:214207

約数の個数: 40

約数和(自身を含む): 717067944

約数和(自身を除く): 425787224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 214177, 428354, 856708, 1070885, 1713416, 2141770, 3426832, 3641009, 4283540, 7282018, 8567080, 14564036, 17134160, 18205045, 29128072, 36410090, 58256144, 72820180, 145640360, 291280720]

約数ペア:

[(1, 291280720), (2, 145640360), (4, 72820180), (5, 58256144), (8, 36410090), (10, 29128072), (16, 18205045), (17, 17134160), (20, 14564036), (34, 8567080), (40, 7282018), (68, 4283540), (80, 3641009), (85, 3426832), (136, 2141770), (170, 1713416), (272, 1070885), (340, 856708), (680, 428354), (1360, 214177)]