28495060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 72938880

約数和(自身を除く): 44443820

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 323, 340, 374, 380, 401, 418, 646, 748, 802, 836, 935, 1045, 1292, 1604, 1615, 1870, 2005, 2090, 3230, 3553, 3740, 4010, 4180, 4411, 6460, 6817, 7106, 7619, 8020, 8822, 13634, 14212, 15238, 17644, 17765, 22055, 27268, 30476, 34085, 35530, 38095, 44110, 68170, 71060, 74987, 76190, 83809, 88220, 129523, 136340, 149974, 152380, 167618, 259046, 299948, 335236, 374935, 419045, 518092, 647615, 749870, 838090, 1295230, 1424753, 1499740, 1676180, 2590460, 2849506, 5699012, 7123765, 14247530, 28495060]

約数ペア:

[(1, 28495060), (2, 14247530), (4, 7123765), (5, 5699012), (10, 2849506), (11, 2590460), (17, 1676180), (19, 1499740), (20, 1424753), (22, 1295230), (34, 838090), (38, 749870), (44, 647615), (55, 518092), (68, 419045), (76, 374935), (85, 335236), (95, 299948), (110, 259046), (170, 167618), (187, 152380), (190, 149974), (209, 136340), (220, 129523), (323, 88220), (340, 83809), (374, 76190), (380, 74987), (401, 71060), (418, 68170), (646, 44110), (748, 38095), (802, 35530), (836, 34085), (935, 30476), (1045, 27268), (1292, 22055), (1604, 17765), (1615, 17644), (1870, 15238), (2005, 14212), (2090, 13634), (3230, 8822), (3553, 8020), (3740, 7619), (4010, 7106), (4180, 6817), (4411, 6460)]