401940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:62

約数の個数: 144

約数和(自身を含む): 1572480

約数和(自身を除く): 1170540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 29, 30, 33, 35, 36, 42, 44, 45, 55, 58, 60, 63, 66, 70, 77, 84, 87, 90, 99, 105, 110, 116, 126, 132, 140, 145, 154, 165, 174, 180, 198, 203, 210, 220, 231, 252, 261, 290, 308, 315, 319, 330, 348, 385, 396, 406, 420, 435, 462, 495, 522, 580, 609, 630, 638, 660, 693, 770, 812, 870, 924, 957, 990, 1015, 1044, 1155, 1218, 1260, 1276, 1305, 1386, 1540, 1595, 1740, 1827, 1914, 1980, 2030, 2233, 2310, 2436, 2610, 2772, 2871, 3045, 3190, 3465, 3654, 3828, 4060, 4466, 4620, 4785, 5220, 5742, 6090, 6380, 6699, 6930, 7308, 8932, 9135, 9570, 11165, 11484, 12180, 13398, 13860, 14355, 18270, 19140, 20097, 22330, 26796, 28710, 33495, 36540, 40194, 44660, 57420, 66990, 80388, 100485, 133980, 200970, 401940]

約数ペア:

[(1, 401940), (2, 200970), (3, 133980), (4, 100485), (5, 80388), (6, 66990), (7, 57420), (9, 44660), (10, 40194), (11, 36540), (12, 33495), (14, 28710), (15, 26796), (18, 22330), (20, 20097), (21, 19140), (22, 18270), (28, 14355), (29, 13860), (30, 13398), (33, 12180), (35, 11484), (36, 11165), (42, 9570), (44, 9135), (45, 8932), (55, 7308), (58, 6930), (60, 6699), (63, 6380), (66, 6090), (70, 5742), (77, 5220), (84, 4785), (87, 4620), (90, 4466), (99, 4060), (105, 3828), (110, 3654), (116, 3465), (126, 3190), (132, 3045), (140, 2871), (145, 2772), (154, 2610), (165, 2436), (174, 2310), (180, 2233), (198, 2030), (203, 1980), (210, 1914), (220, 1827), (231, 1740), (252, 1595), (261, 1540), (290, 1386), (308, 1305), (315, 1276), (319, 1260), (330, 1218), (348, 1155), (385, 1044), (396, 1015), (406, 990), (420, 957), (435, 924), (462, 870), (495, 812), (522, 770), (580, 693), (609, 660), (630, 638)]