12635189980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2731}}^1\times {\mathrm{4721}}^1$

素因数の和:7475

約数の個数: 72

約数和(自身を含む): 30883806576

約数和(自身を除く): 18248616596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2731, 4721, 5462, 9442, 10924, 13655, 18884, 19117, 23605, 27310, 33047, 38234, 47210, 54620, 66094, 76468, 94420, 95585, 132188, 133819, 165235, 191170, 231329, 267638, 330470, 382340, 462658, 535276, 660940, 669095, 925316, 1156645, 1338190, 2313290, 2676380, 4626580, 12893051, 25786102, 51572204, 64465255, 90251357, 128930510, 180502714, 257861020, 361005428, 451256785, 631759499, 902513570, 1263518998, 1805027140, 2527037996, 3158797495, 6317594990, 12635189980]

約数ペア:

[(1, 12635189980), (2, 6317594990), (4, 3158797495), (5, 2527037996), (7, 1805027140), (10, 1263518998), (14, 902513570), (20, 631759499), (28, 451256785), (35, 361005428), (49, 257861020), (70, 180502714), (98, 128930510), (140, 90251357), (196, 64465255), (245, 51572204), (490, 25786102), (980, 12893051), (2731, 4626580), (4721, 2676380), (5462, 2313290), (9442, 1338190), (10924, 1156645), (13655, 925316), (18884, 669095), (19117, 660940), (23605, 535276), (27310, 462658), (33047, 382340), (38234, 330470), (47210, 267638), (54620, 231329), (66094, 191170), (76468, 165235), (94420, 133819), (95585, 132188)]