211311320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7873}}^1$

素因数の和:7956

約数の個数: 64

約数和(自身を含む): 527243040

約数和(自身を除く): 315931720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 7873, 13420, 15746, 26840, 31492, 39365, 62984, 78730, 86603, 157460, 173206, 314920, 346412, 433015, 480253, 692824, 866030, 960506, 1732060, 1921012, 2401265, 3464120, 3842024, 4802530, 5282783, 9605060, 10565566, 19210120, 21131132, 26413915, 42262264, 52827830, 105655660, 211311320]

約数ペア:

[(1, 211311320), (2, 105655660), (4, 52827830), (5, 42262264), (8, 26413915), (10, 21131132), (11, 19210120), (20, 10565566), (22, 9605060), (40, 5282783), (44, 4802530), (55, 3842024), (61, 3464120), (88, 2401265), (110, 1921012), (122, 1732060), (220, 960506), (244, 866030), (305, 692824), (440, 480253), (488, 433015), (610, 346412), (671, 314920), (1220, 173206), (1342, 157460), (2440, 86603), (2684, 78730), (3355, 62984), (5368, 39365), (6710, 31492), (7873, 26840), (13420, 15746)]