7886060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 20779920

約数和(自身を除く): 12893860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 619, 637, 910, 980, 1238, 1274, 1820, 2476, 2548, 3095, 3185, 4333, 6190, 6370, 8047, 8666, 12380, 12740, 16094, 17332, 21665, 30331, 32188, 40235, 43330, 56329, 60662, 80470, 86660, 112658, 121324, 151655, 160940, 225316, 281645, 303310, 394303, 563290, 606620, 788606, 1126580, 1577212, 1971515, 3943030, 7886060]

約数ペア:

[(1, 7886060), (2, 3943030), (4, 1971515), (5, 1577212), (7, 1126580), (10, 788606), (13, 606620), (14, 563290), (20, 394303), (26, 303310), (28, 281645), (35, 225316), (49, 160940), (52, 151655), (65, 121324), (70, 112658), (91, 86660), (98, 80470), (130, 60662), (140, 56329), (182, 43330), (196, 40235), (245, 32188), (260, 30331), (364, 21665), (455, 17332), (490, 16094), (619, 12740), (637, 12380), (910, 8666), (980, 8047), (1238, 6370), (1274, 6190), (1820, 4333), (2476, 3185), (2548, 3095)]