66814580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3203}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 161481600

約数和(自身を除く): 94667020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 3203, 4172, 5215, 6406, 10430, 12812, 16015, 20860, 22421, 32030, 44842, 64060, 89684, 112105, 224210, 448420, 477247, 954494, 1908988, 2386235, 3340729, 4772470, 6681458, 9544940, 13362916, 16703645, 33407290, 66814580]

約数ペア:

[(1, 66814580), (2, 33407290), (4, 16703645), (5, 13362916), (7, 9544940), (10, 6681458), (14, 4772470), (20, 3340729), (28, 2386235), (35, 1908988), (70, 954494), (140, 477247), (149, 448420), (298, 224210), (596, 112105), (745, 89684), (1043, 64060), (1490, 44842), (2086, 32030), (2980, 22421), (3203, 20860), (4172, 16015), (5215, 12812), (6406, 10430)]