28543830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 83635200

約数和(自身を除く): 55091370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 43, 58, 70, 86, 87, 105, 109, 129, 145, 174, 203, 210, 215, 218, 258, 290, 301, 327, 406, 430, 435, 545, 602, 609, 645, 654, 763, 870, 903, 1015, 1090, 1218, 1247, 1290, 1505, 1526, 1635, 1806, 2030, 2289, 2494, 3010, 3045, 3161, 3270, 3741, 3815, 4515, 4578, 4687, 6090, 6235, 6322, 7482, 7630, 8729, 9030, 9374, 9483, 11445, 12470, 14061, 15805, 17458, 18705, 18966, 22127, 22890, 23435, 26187, 28122, 31610, 32809, 37410, 43645, 44254, 46870, 47415, 52374, 65618, 66381, 70305, 87290, 94830, 98427, 110635, 130935, 132762, 135923, 140610, 164045, 196854, 221270, 261870, 271846, 328090, 331905, 407769, 492135, 663810, 679615, 815538, 951461, 984270, 1359230, 1902922, 2038845, 2854383, 4077690, 4757305, 5708766, 9514610, 14271915, 28543830]

約数ペア:

[(1, 28543830), (2, 14271915), (3, 9514610), (5, 5708766), (6, 4757305), (7, 4077690), (10, 2854383), (14, 2038845), (15, 1902922), (21, 1359230), (29, 984270), (30, 951461), (35, 815538), (42, 679615), (43, 663810), (58, 492135), (70, 407769), (86, 331905), (87, 328090), (105, 271846), (109, 261870), (129, 221270), (145, 196854), (174, 164045), (203, 140610), (210, 135923), (215, 132762), (218, 130935), (258, 110635), (290, 98427), (301, 94830), (327, 87290), (406, 70305), (430, 66381), (435, 65618), (545, 52374), (602, 47415), (609, 46870), (645, 44254), (654, 43645), (763, 37410), (870, 32809), (903, 31610), (1015, 28122), (1090, 26187), (1218, 23435), (1247, 22890), (1290, 22127), (1505, 18966), (1526, 18705), (1635, 17458), (1806, 15805), (2030, 14061), (2289, 12470), (2494, 11445), (3010, 9483), (3045, 9374), (3161, 9030), (3270, 8729), (3741, 7630), (3815, 7482), (4515, 6322), (4578, 6235), (4687, 6090)]