249940240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{284023}}^1$

素因数の和:284047

約数の個数: 40

約数和(自身を含む): 633941568

約数和(自身を除く): 384001328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 284023, 568046, 1136092, 1420115, 2272184, 2840230, 3124253, 4544368, 5680460, 6248506, 11360920, 12497012, 15621265, 22721840, 24994024, 31242530, 49988048, 62485060, 124970120, 249940240]

約数ペア:

[(1, 249940240), (2, 124970120), (4, 62485060), (5, 49988048), (8, 31242530), (10, 24994024), (11, 22721840), (16, 15621265), (20, 12497012), (22, 11360920), (40, 6248506), (44, 5680460), (55, 4544368), (80, 3124253), (88, 2840230), (110, 2272184), (176, 1420115), (220, 1136092), (440, 568046), (880, 284023)]