42574280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 110039040

約数和(自身を除く): 67464760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 397, 766, 794, 1532, 1588, 1915, 1985, 2681, 2779, 3064, 3176, 3830, 3970, 5362, 5558, 7660, 7940, 10724, 11116, 13405, 13895, 15320, 15880, 21448, 22232, 26810, 27790, 53620, 55580, 107240, 111160, 152051, 304102, 608204, 760255, 1064357, 1216408, 1520510, 2128714, 3041020, 4257428, 5321785, 6082040, 8514856, 10643570, 21287140, 42574280]

約数ペア:

[(1, 42574280), (2, 21287140), (4, 10643570), (5, 8514856), (7, 6082040), (8, 5321785), (10, 4257428), (14, 3041020), (20, 2128714), (28, 1520510), (35, 1216408), (40, 1064357), (56, 760255), (70, 608204), (140, 304102), (280, 152051), (383, 111160), (397, 107240), (766, 55580), (794, 53620), (1532, 27790), (1588, 26810), (1915, 22232), (1985, 21448), (2681, 15880), (2779, 15320), (3064, 13895), (3176, 13405), (3830, 11116), (3970, 10724), (5362, 7940), (5558, 7660)]