18271400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 50234880

約数和(自身を除く): 31963480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 421, 434, 620, 700, 775, 842, 868, 1085, 1240, 1400, 1550, 1684, 1736, 2105, 2170, 2947, 3100, 3368, 4210, 4340, 5425, 5894, 6200, 8420, 8680, 10525, 10850, 11788, 13051, 14735, 16840, 21050, 21700, 23576, 26102, 29470, 42100, 43400, 52204, 58940, 65255, 73675, 84200, 91357, 104408, 117880, 130510, 147350, 182714, 261020, 294700, 326275, 365428, 456785, 522040, 589400, 652550, 730856, 913570, 1305100, 1827140, 2283925, 2610200, 3654280, 4567850, 9135700, 18271400]

約数ペア:

[(1, 18271400), (2, 9135700), (4, 4567850), (5, 3654280), (7, 2610200), (8, 2283925), (10, 1827140), (14, 1305100), (20, 913570), (25, 730856), (28, 652550), (31, 589400), (35, 522040), (40, 456785), (50, 365428), (56, 326275), (62, 294700), (70, 261020), (100, 182714), (124, 147350), (140, 130510), (155, 117880), (175, 104408), (200, 91357), (217, 84200), (248, 73675), (280, 65255), (310, 58940), (350, 52204), (421, 43400), (434, 42100), (620, 29470), (700, 26102), (775, 23576), (842, 21700), (868, 21050), (1085, 16840), (1240, 14735), (1400, 13051), (1550, 11788), (1684, 10850), (1736, 10525), (2105, 8680), (2170, 8420), (2947, 6200), (3100, 5894), (3368, 5425), (4210, 4340)]