49964940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 152727120

約数和(自身を除く): 102762180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 1997, 2085, 2502, 2780, 3994, 4170, 5004, 5991, 6255, 7988, 8340, 9985, 11982, 12510, 17973, 19970, 23964, 25020, 29955, 35946, 39940, 59910, 71892, 89865, 119820, 179730, 277583, 359460, 555166, 832749, 1110332, 1387915, 1665498, 2498247, 2775830, 3330996, 4163745, 4996494, 5551660, 8327490, 9992988, 12491235, 16654980, 24982470, 49964940]

約数ペア:

[(1, 49964940), (2, 24982470), (3, 16654980), (4, 12491235), (5, 9992988), (6, 8327490), (9, 5551660), (10, 4996494), (12, 4163745), (15, 3330996), (18, 2775830), (20, 2498247), (30, 1665498), (36, 1387915), (45, 1110332), (60, 832749), (90, 555166), (139, 359460), (180, 277583), (278, 179730), (417, 119820), (556, 89865), (695, 71892), (834, 59910), (1251, 39940), (1390, 35946), (1668, 29955), (1997, 25020), (2085, 23964), (2502, 19970), (2780, 17973), (3994, 12510), (4170, 11982), (5004, 9985), (5991, 8340), (6255, 7988)]