2007647980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{454219}}^1$

素因数の和:454258

約数の個数: 48

約数和(自身を含む): 4807464480

約数和(自身を除く): 2799816500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 454219, 908438, 1816876, 2271095, 4542190, 5904847, 7721723, 9084380, 11809694, 15443446, 23619388, 29524235, 30886892, 38608615, 59048470, 77217230, 100382399, 118096940, 154434460, 200764798, 401529596, 501911995, 1003823990, 2007647980]

約数ペア:

[(1, 2007647980), (2, 1003823990), (4, 501911995), (5, 401529596), (10, 200764798), (13, 154434460), (17, 118096940), (20, 100382399), (26, 77217230), (34, 59048470), (52, 38608615), (65, 30886892), (68, 29524235), (85, 23619388), (130, 15443446), (170, 11809694), (221, 9084380), (260, 7721723), (340, 5904847), (442, 4542190), (884, 2271095), (1105, 1816876), (2210, 908438), (4420, 454219)]