196420960

素因数分解:

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

素因数の和:444

約数の個数: 72

約数和(自身を含む): 481432896

約数和(自身を除く): 285011936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 199, 248, 310, 398, 496, 620, 796, 992, 995, 1240, 1592, 1990, 2480, 3184, 3980, 4960, 6169, 6368, 7960, 12338, 15920, 24676, 30845, 31840, 39601, 49352, 61690, 79202, 98704, 123380, 158404, 197408, 198005, 246760, 316808, 396010, 493520, 633616, 792020, 987040, 1227631, 1267232, 1584040, 2455262, 3168080, 4910524, 6138155, 6336160, 9821048, 12276310, 19642096, 24552620, 39284192, 49105240, 98210480, 196420960]

約数ペア:

[(1, 196420960), (2, 98210480), (4, 49105240), (5, 39284192), (8, 24552620), (10, 19642096), (16, 12276310), (20, 9821048), (31, 6336160), (32, 6138155), (40, 4910524), (62, 3168080), (80, 2455262), (124, 1584040), (155, 1267232), (160, 1227631), (199, 987040), (248, 792020), (310, 633616), (398, 493520), (496, 396010), (620, 316808), (796, 246760), (992, 198005), (995, 197408), (1240, 158404), (1592, 123380), (1990, 98704), (2480, 79202), (3184, 61690), (3980, 49352), (4960, 39601), (6169, 31840), (6368, 30845), (7960, 24676), (12338, 15920)]