280592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 624960

約数和(自身を除く): 344368

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 104, 142, 152, 208, 247, 284, 304, 494, 568, 923, 988, 1136, 1349, 1846, 1976, 2698, 3692, 3952, 5396, 7384, 10792, 14768, 17537, 21584, 35074, 70148, 140296, 280592]

約数ペア:

[(1, 280592), (2, 140296), (4, 70148), (8, 35074), (13, 21584), (16, 17537), (19, 14768), (26, 10792), (38, 7384), (52, 5396), (71, 3952), (76, 3692), (104, 2698), (142, 1976), (152, 1846), (208, 1349), (247, 1136), (284, 988), (304, 923), (494, 568)]