497120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 772960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 239, 260, 416, 478, 520, 956, 1040, 1195, 1912, 2080, 2390, 3107, 3824, 4780, 6214, 7648, 9560, 12428, 15535, 19120, 24856, 31070, 38240, 49712, 62140, 99424, 124280, 248560, 497120]

約数ペア:

[(1, 497120), (2, 248560), (4, 124280), (5, 99424), (8, 62140), (10, 49712), (13, 38240), (16, 31070), (20, 24856), (26, 19120), (32, 15535), (40, 12428), (52, 9560), (65, 7648), (80, 6214), (104, 4780), (130, 3824), (160, 3107), (208, 2390), (239, 2080), (260, 1912), (416, 1195), (478, 1040), (520, 956)]