149736920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{91303}}^1$

素因数の和:91355

約数の個数: 32

約数和(自身を含む): 345129120

約数和(自身を除く): 195392200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 91303, 182606, 365212, 456515, 730424, 913030, 1826060, 3652120, 3743423, 7486846, 14973692, 18717115, 29947384, 37434230, 74868460, 149736920]

約数ペア:

[(1, 149736920), (2, 74868460), (4, 37434230), (5, 29947384), (8, 18717115), (10, 14973692), (20, 7486846), (40, 3743423), (41, 3652120), (82, 1826060), (164, 913030), (205, 730424), (328, 456515), (410, 365212), (820, 182606), (1640, 91303)]