248616280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1721

約数の個数: 96

約数和(自身を含む): 635080320

約数和(自身を除く): 386464040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 1210, 1240, 1364, 1657, 1705, 2420, 2728, 3314, 3410, 3751, 4840, 6628, 6820, 7502, 8285, 13256, 13640, 15004, 16570, 18227, 18755, 30008, 33140, 36454, 37510, 51367, 66280, 72908, 75020, 91135, 102734, 145816, 150040, 182270, 200497, 205468, 256835, 364540, 400994, 410936, 513670, 565037, 729080, 801988, 1002485, 1027340, 1130074, 1603976, 2004970, 2054680, 2260148, 2825185, 4009940, 4520296, 5650370, 6215407, 8019880, 11300740, 12430814, 22601480, 24861628, 31077035, 49723256, 62154070, 124308140, 248616280]

約数ペア:

[(1, 248616280), (2, 124308140), (4, 62154070), (5, 49723256), (8, 31077035), (10, 24861628), (11, 22601480), (20, 12430814), (22, 11300740), (31, 8019880), (40, 6215407), (44, 5650370), (55, 4520296), (62, 4009940), (88, 2825185), (110, 2260148), (121, 2054680), (124, 2004970), (155, 1603976), (220, 1130074), (242, 1027340), (248, 1002485), (310, 801988), (341, 729080), (440, 565037), (484, 513670), (605, 410936), (620, 400994), (682, 364540), (968, 256835), (1210, 205468), (1240, 200497), (1364, 182270), (1657, 150040), (1705, 145816), (2420, 102734), (2728, 91135), (3314, 75020), (3410, 72908), (3751, 66280), (4840, 51367), (6628, 37510), (6820, 36454), (7502, 33140), (8285, 30008), (13256, 18755), (13640, 18227), (15004, 16570)]