1333420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 3351600

約数和(自身を除く): 2018180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 121, 145, 190, 209, 220, 242, 290, 319, 380, 418, 484, 551, 580, 605, 638, 836, 1045, 1102, 1210, 1276, 1595, 2090, 2204, 2299, 2420, 2755, 3190, 3509, 4180, 4598, 5510, 6061, 6380, 7018, 9196, 11020, 11495, 12122, 14036, 17545, 22990, 24244, 30305, 35090, 45980, 60610, 66671, 70180, 121220, 133342, 266684, 333355, 666710, 1333420]

約数ペア:

[(1, 1333420), (2, 666710), (4, 333355), (5, 266684), (10, 133342), (11, 121220), (19, 70180), (20, 66671), (22, 60610), (29, 45980), (38, 35090), (44, 30305), (55, 24244), (58, 22990), (76, 17545), (95, 14036), (110, 12122), (116, 11495), (121, 11020), (145, 9196), (190, 7018), (209, 6380), (220, 6061), (242, 5510), (290, 4598), (319, 4180), (380, 3509), (418, 3190), (484, 2755), (551, 2420), (580, 2299), (605, 2204), (638, 2090), (836, 1595), (1045, 1276), (1102, 1210)]