7862490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 20592000

約数和(自身を除く): 12729510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 439, 597, 878, 995, 1194, 1317, 1791, 1990, 2195, 2634, 2985, 3582, 3951, 4390, 5970, 6585, 7902, 8955, 13170, 17910, 19755, 39510, 87361, 174722, 262083, 436805, 524166, 786249, 873610, 1310415, 1572498, 2620830, 3931245, 7862490]

約数ペア:

[(1, 7862490), (2, 3931245), (3, 2620830), (5, 1572498), (6, 1310415), (9, 873610), (10, 786249), (15, 524166), (18, 436805), (30, 262083), (45, 174722), (90, 87361), (199, 39510), (398, 19755), (439, 17910), (597, 13170), (878, 8955), (995, 7902), (1194, 6585), (1317, 5970), (1791, 4390), (1990, 3951), (2195, 3582), (2634, 2985)]