426519980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{3391}}^1$

素因数の和:3750

約数の個数: 48

約数和(自身を含む): 945960960

約数和(自身を除く): 519440980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 662, 1324, 1655, 3310, 3391, 6289, 6620, 6782, 12578, 13564, 16955, 25156, 31445, 33910, 62890, 64429, 67820, 125780, 128858, 257716, 322145, 644290, 1122421, 1288580, 2244842, 4489684, 5612105, 11224210, 21325999, 22448420, 42651998, 85303996, 106629995, 213259990, 426519980]

約数ペア:

[(1, 426519980), (2, 213259990), (4, 106629995), (5, 85303996), (10, 42651998), (19, 22448420), (20, 21325999), (38, 11224210), (76, 5612105), (95, 4489684), (190, 2244842), (331, 1288580), (380, 1122421), (662, 644290), (1324, 322145), (1655, 257716), (3310, 128858), (3391, 125780), (6289, 67820), (6620, 64429), (6782, 62890), (12578, 33910), (13564, 31445), (16955, 25156)]