826540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 2166192

約数和(自身を除く): 1339652

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 289, 340, 374, 442, 572, 578, 715, 748, 884, 935, 1105, 1156, 1430, 1445, 1870, 2210, 2431, 2860, 2890, 3179, 3740, 3757, 4420, 4862, 5780, 6358, 7514, 9724, 12155, 12716, 15028, 15895, 18785, 24310, 31790, 37570, 41327, 48620, 63580, 75140, 82654, 165308, 206635, 413270, 826540]

約数ペア:

[(1, 826540), (2, 413270), (4, 206635), (5, 165308), (10, 82654), (11, 75140), (13, 63580), (17, 48620), (20, 41327), (22, 37570), (26, 31790), (34, 24310), (44, 18785), (52, 15895), (55, 15028), (65, 12716), (68, 12155), (85, 9724), (110, 7514), (130, 6358), (143, 5780), (170, 4862), (187, 4420), (220, 3757), (221, 3740), (260, 3179), (286, 2890), (289, 2860), (340, 2431), (374, 2210), (442, 1870), (572, 1445), (578, 1430), (715, 1156), (748, 1105), (884, 935)]