42340420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 93800448

約数和(自身を除く): 51460028

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1453, 1457, 2906, 2914, 5812, 5828, 7265, 7285, 14530, 14570, 29060, 29140, 45043, 68291, 90086, 136582, 180172, 225215, 273164, 341455, 450430, 682910, 900860, 1365820, 2117021, 4234042, 8468084, 10585105, 21170210, 42340420]

約数ペア:

[(1, 42340420), (2, 21170210), (4, 10585105), (5, 8468084), (10, 4234042), (20, 2117021), (31, 1365820), (47, 900860), (62, 682910), (94, 450430), (124, 341455), (155, 273164), (188, 225215), (235, 180172), (310, 136582), (470, 90086), (620, 68291), (940, 45043), (1453, 29140), (1457, 29060), (2906, 14570), (2914, 14530), (5812, 7285), (5828, 7265)]