251104480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142673}}^1$

素因数の和:142699

約数の個数: 48

約数和(自身を含む): 647169264

約数和(自身を除く): 396064784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 142673, 285346, 570692, 713365, 1141384, 1426730, 1569403, 2282768, 2853460, 3138806, 4565536, 5706920, 6277612, 7847015, 11413840, 12555224, 15694030, 22827680, 25110448, 31388060, 50220896, 62776120, 125552240, 251104480]

約数ペア:

[(1, 251104480), (2, 125552240), (4, 62776120), (5, 50220896), (8, 31388060), (10, 25110448), (11, 22827680), (16, 15694030), (20, 12555224), (22, 11413840), (32, 7847015), (40, 6277612), (44, 5706920), (55, 4565536), (80, 3138806), (88, 2853460), (110, 2282768), (160, 1569403), (176, 1426730), (220, 1141384), (352, 713365), (440, 570692), (880, 285346), (1760, 142673)]