2879432260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{4523}}^1$

素因数の和:4900

約数の個数: 48

約数和(自身を含む): 6118257600

約数和(自身を除く): 3238825340

約数列:

[1, 2, 4, 5, 10, 20, 139, 229, 278, 458, 556, 695, 916, 1145, 1390, 2290, 2780, 4523, 4580, 9046, 18092, 22615, 31831, 45230, 63662, 90460, 127324, 159155, 318310, 628697, 636620, 1035767, 1257394, 2071534, 2514788, 3143485, 4143068, 5178835, 6286970, 10357670, 12573940, 20715340, 143971613, 287943226, 575886452, 719858065, 1439716130, 2879432260]

約数ペア:

[(1, 2879432260), (2, 1439716130), (4, 719858065), (5, 575886452), (10, 287943226), (20, 143971613), (139, 20715340), (229, 12573940), (278, 10357670), (458, 6286970), (556, 5178835), (695, 4143068), (916, 3143485), (1145, 2514788), (1390, 2071534), (2290, 1257394), (2780, 1035767), (4523, 636620), (4580, 628697), (9046, 318310), (18092, 159155), (22615, 127324), (31831, 90460), (45230, 63662)]