609899320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 1391385600

約数和(自身を除く): 781486280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 239, 262, 478, 487, 524, 655, 956, 974, 1048, 1195, 1310, 1912, 1948, 2390, 2435, 2620, 3896, 4780, 4870, 5240, 9560, 9740, 19480, 31309, 62618, 63797, 116393, 125236, 127594, 156545, 232786, 250472, 255188, 313090, 318985, 465572, 510376, 581965, 626180, 637970, 931144, 1163930, 1252360, 1275940, 2327860, 2551880, 4655720, 15247483, 30494966, 60989932, 76237415, 121979864, 152474830, 304949660, 609899320]

約数ペア:

[(1, 609899320), (2, 304949660), (4, 152474830), (5, 121979864), (8, 76237415), (10, 60989932), (20, 30494966), (40, 15247483), (131, 4655720), (239, 2551880), (262, 2327860), (478, 1275940), (487, 1252360), (524, 1163930), (655, 931144), (956, 637970), (974, 626180), (1048, 581965), (1195, 510376), (1310, 465572), (1912, 318985), (1948, 313090), (2390, 255188), (2435, 250472), (2620, 232786), (3896, 156545), (4780, 127594), (4870, 125236), (5240, 116393), (9560, 63797), (9740, 62618), (19480, 31309)]