248839480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2749}}^1$

素因数の和:2864

約数の個数: 64

約数和(自身を含む): 586080000

約数和(自身を除く): 337240520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 2263, 2749, 2920, 4526, 5498, 9052, 10996, 11315, 13745, 18104, 21992, 22630, 27490, 45260, 54980, 85219, 90520, 109960, 170438, 200677, 340876, 401354, 426095, 681752, 802708, 852190, 1003385, 1605416, 1704380, 2006770, 3408760, 4013540, 6220987, 8027080, 12441974, 24883948, 31104935, 49767896, 62209870, 124419740, 248839480]

約数ペア:

[(1, 248839480), (2, 124419740), (4, 62209870), (5, 49767896), (8, 31104935), (10, 24883948), (20, 12441974), (31, 8027080), (40, 6220987), (62, 4013540), (73, 3408760), (124, 2006770), (146, 1704380), (155, 1605416), (248, 1003385), (292, 852190), (310, 802708), (365, 681752), (584, 426095), (620, 401354), (730, 340876), (1240, 200677), (1460, 170438), (2263, 109960), (2749, 90520), (2920, 85219), (4526, 54980), (5498, 45260), (9052, 27490), (10996, 22630), (11315, 21992), (13745, 18104)]