28301260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 71547840

約数和(自身を除く): 43246580

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 337, 340, 380, 442, 494, 646, 674, 884, 988, 1105, 1235, 1292, 1348, 1615, 1685, 2210, 2470, 3230, 3370, 4199, 4381, 4420, 4940, 5729, 6403, 6460, 6740, 8398, 8762, 11458, 12806, 16796, 17524, 20995, 21905, 22916, 25612, 28645, 32015, 41990, 43810, 57290, 64030, 74477, 83239, 83980, 87620, 108851, 114580, 128060, 148954, 166478, 217702, 297908, 332956, 372385, 416195, 435404, 544255, 744770, 832390, 1088510, 1415063, 1489540, 1664780, 2177020, 2830126, 5660252, 7075315, 14150630, 28301260]

約数ペア:

[(1, 28301260), (2, 14150630), (4, 7075315), (5, 5660252), (10, 2830126), (13, 2177020), (17, 1664780), (19, 1489540), (20, 1415063), (26, 1088510), (34, 832390), (38, 744770), (52, 544255), (65, 435404), (68, 416195), (76, 372385), (85, 332956), (95, 297908), (130, 217702), (170, 166478), (190, 148954), (221, 128060), (247, 114580), (260, 108851), (323, 87620), (337, 83980), (340, 83239), (380, 74477), (442, 64030), (494, 57290), (646, 43810), (674, 41990), (884, 32015), (988, 28645), (1105, 25612), (1235, 22916), (1292, 21905), (1348, 20995), (1615, 17524), (1685, 16796), (2210, 12806), (2470, 11458), (3230, 8762), (3370, 8398), (4199, 6740), (4381, 6460), (4420, 6403), (4940, 5729)]