2890814980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1\times {\mathrm{1511}}^1$

素因数の和:1885

約数の個数: 72

約数和(自身を含む): 6472581696

約数和(自身を除く): 3581766716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 331, 340, 578, 662, 1156, 1324, 1445, 1511, 1655, 2890, 3022, 3310, 5627, 5780, 6044, 6620, 7555, 11254, 15110, 22508, 25687, 28135, 30220, 51374, 56270, 95659, 102748, 112540, 128435, 191318, 256870, 382636, 436679, 478295, 500141, 513740, 873358, 956590, 1000282, 1746716, 1913180, 2000564, 2183395, 2500705, 4366790, 5001410, 8502397, 8733580, 10002820, 17004794, 34009588, 42511985, 85023970, 144540749, 170047940, 289081498, 578162996, 722703745, 1445407490, 2890814980]

約数ペア:

[(1, 2890814980), (2, 1445407490), (4, 722703745), (5, 578162996), (10, 289081498), (17, 170047940), (20, 144540749), (34, 85023970), (68, 42511985), (85, 34009588), (170, 17004794), (289, 10002820), (331, 8733580), (340, 8502397), (578, 5001410), (662, 4366790), (1156, 2500705), (1324, 2183395), (1445, 2000564), (1511, 1913180), (1655, 1746716), (2890, 1000282), (3022, 956590), (3310, 873358), (5627, 513740), (5780, 500141), (6044, 478295), (6620, 436679), (7555, 382636), (11254, 256870), (15110, 191318), (22508, 128435), (25687, 112540), (28135, 102748), (30220, 95659), (51374, 56270)]