242565080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{983}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 566784000

約数和(自身を除く): 324218920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 620, 796, 983, 995, 1240, 1592, 1966, 1990, 3932, 3980, 4915, 6169, 7864, 7960, 9830, 12338, 19660, 24676, 30473, 30845, 39320, 49352, 60946, 61690, 121892, 123380, 152365, 195617, 243784, 246760, 304730, 391234, 609460, 782468, 978085, 1218920, 1564936, 1956170, 3912340, 6064127, 7824680, 12128254, 24256508, 30320635, 48513016, 60641270, 121282540, 242565080]

約数ペア:

[(1, 242565080), (2, 121282540), (4, 60641270), (5, 48513016), (8, 30320635), (10, 24256508), (20, 12128254), (31, 7824680), (40, 6064127), (62, 3912340), (124, 1956170), (155, 1564936), (199, 1218920), (248, 978085), (310, 782468), (398, 609460), (620, 391234), (796, 304730), (983, 246760), (995, 243784), (1240, 195617), (1592, 152365), (1966, 123380), (1990, 121892), (3932, 61690), (3980, 60946), (4915, 49352), (6169, 39320), (7864, 30845), (7960, 30473), (9830, 24676), (12338, 19660)]