287488180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{2089}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 691004160

約数和(自身を除く): 403515980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 983, 1966, 2089, 3932, 4178, 4915, 6881, 8356, 9830, 10445, 13762, 14623, 19660, 20890, 27524, 29246, 34405, 41780, 58492, 68810, 73115, 137620, 146230, 292460, 2053487, 4106974, 8213948, 10267435, 14374409, 20534870, 28748818, 41069740, 57497636, 71872045, 143744090, 287488180]

約数ペア:

[(1, 287488180), (2, 143744090), (4, 71872045), (5, 57497636), (7, 41069740), (10, 28748818), (14, 20534870), (20, 14374409), (28, 10267435), (35, 8213948), (70, 4106974), (140, 2053487), (983, 292460), (1966, 146230), (2089, 137620), (3932, 73115), (4178, 68810), (4915, 58492), (6881, 41780), (8356, 34405), (9830, 29246), (10445, 27524), (13762, 20890), (14623, 19660)]