2720796620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1467

約数の個数: 96

約数和(自身を含む): 6237000000

約数和(自身を除く): 3516203380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 149, 170, 172, 215, 298, 340, 430, 596, 731, 745, 860, 1249, 1462, 1490, 2498, 2533, 2924, 2980, 3655, 4996, 5066, 6245, 6407, 7310, 10132, 12490, 12665, 12814, 14620, 21233, 24980, 25330, 25628, 32035, 42466, 50660, 53707, 64070, 84932, 106165, 107414, 108919, 128140, 186101, 212330, 214828, 217838, 268535, 372202, 424660, 435676, 537070, 544595, 744404, 913019, 930505, 1074140, 1089190, 1826038, 1861010, 2178380, 3163717, 3652076, 3722020, 4565095, 6327434, 8002343, 9130190, 12654868, 15818585, 16004686, 18260380, 31637170, 32009372, 40011715, 63274340, 80023430, 136039831, 160046860, 272079662, 544159324, 680199155, 1360398310, 2720796620]

約数ペア:

[(1, 2720796620), (2, 1360398310), (4, 680199155), (5, 544159324), (10, 272079662), (17, 160046860), (20, 136039831), (34, 80023430), (43, 63274340), (68, 40011715), (85, 32009372), (86, 31637170), (149, 18260380), (170, 16004686), (172, 15818585), (215, 12654868), (298, 9130190), (340, 8002343), (430, 6327434), (596, 4565095), (731, 3722020), (745, 3652076), (860, 3163717), (1249, 2178380), (1462, 1861010), (1490, 1826038), (2498, 1089190), (2533, 1074140), (2924, 930505), (2980, 913019), (3655, 744404), (4996, 544595), (5066, 537070), (6245, 435676), (6407, 424660), (7310, 372202), (10132, 268535), (12490, 217838), (12665, 214828), (12814, 212330), (14620, 186101), (21233, 128140), (24980, 108919), (25330, 107414), (25628, 106165), (32035, 84932), (42466, 64070), (50660, 53707)]