291298980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{693569}}^1$

素因数の和:693588

約数の個数: 48

約数和(自身を含む): 932158080

約数和(自身を除く): 640859100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 693569, 1387138, 2080707, 2774276, 3467845, 4161414, 4854983, 6935690, 8322828, 9709966, 10403535, 13871380, 14564949, 19419932, 20807070, 24274915, 29129898, 41614140, 48549830, 58259796, 72824745, 97099660, 145649490, 291298980]

約数ペア:

[(1, 291298980), (2, 145649490), (3, 97099660), (4, 72824745), (5, 58259796), (6, 48549830), (7, 41614140), (10, 29129898), (12, 24274915), (14, 20807070), (15, 19419932), (20, 14564949), (21, 13871380), (28, 10403535), (30, 9709966), (35, 8322828), (42, 6935690), (60, 4854983), (70, 4161414), (84, 3467845), (105, 2774276), (140, 2080707), (210, 1387138), (420, 693569)]