4978980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 15288000

約数和(自身を除く): 10309020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 199, 278, 398, 417, 556, 597, 695, 796, 834, 995, 1194, 1251, 1390, 1668, 1791, 1990, 2085, 2388, 2502, 2780, 2985, 3582, 3980, 4170, 5004, 5970, 6255, 7164, 8340, 8955, 11940, 12510, 17910, 25020, 27661, 35820, 55322, 82983, 110644, 138305, 165966, 248949, 276610, 331932, 414915, 497898, 553220, 829830, 995796, 1244745, 1659660, 2489490, 4978980]

約数ペア:

[(1, 4978980), (2, 2489490), (3, 1659660), (4, 1244745), (5, 995796), (6, 829830), (9, 553220), (10, 497898), (12, 414915), (15, 331932), (18, 276610), (20, 248949), (30, 165966), (36, 138305), (45, 110644), (60, 82983), (90, 55322), (139, 35820), (180, 27661), (199, 25020), (278, 17910), (398, 12510), (417, 11940), (556, 8955), (597, 8340), (695, 7164), (796, 6255), (834, 5970), (995, 5004), (1194, 4170), (1251, 3980), (1390, 3582), (1668, 2985), (1791, 2780), (1990, 2502), (2085, 2388)]