826280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 2298240

約数和(自身を除く): 1471960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 227, 260, 280, 364, 454, 455, 520, 728, 908, 910, 1135, 1589, 1816, 1820, 2270, 2951, 3178, 3640, 4540, 5902, 6356, 7945, 9080, 11804, 12712, 14755, 15890, 20657, 23608, 29510, 31780, 41314, 59020, 63560, 82628, 103285, 118040, 165256, 206570, 413140, 826280]

約数ペア:

[(1, 826280), (2, 413140), (4, 206570), (5, 165256), (7, 118040), (8, 103285), (10, 82628), (13, 63560), (14, 59020), (20, 41314), (26, 31780), (28, 29510), (35, 23608), (40, 20657), (52, 15890), (56, 14755), (65, 12712), (70, 11804), (91, 9080), (104, 7945), (130, 6356), (140, 5902), (182, 4540), (227, 3640), (260, 3178), (280, 2951), (364, 2270), (454, 1820), (455, 1816), (520, 1589), (728, 1135), (908, 910)]