490675120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{471803}}^1$

素因数の和:471829

約数の個数: 40

約数和(自身を含む): 1228577616

約数和(自身を除く): 737902496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 471803, 943606, 1887212, 2359015, 3774424, 4718030, 6133439, 7548848, 9436060, 12266878, 18872120, 24533756, 30667195, 37744240, 49067512, 61334390, 98135024, 122668780, 245337560, 490675120]

約数ペア:

[(1, 490675120), (2, 245337560), (4, 122668780), (5, 98135024), (8, 61334390), (10, 49067512), (13, 37744240), (16, 30667195), (20, 24533756), (26, 18872120), (40, 12266878), (52, 9436060), (65, 7548848), (80, 6133439), (104, 4718030), (130, 3774424), (208, 2359015), (260, 1887212), (520, 943606), (1040, 471803)]