28869740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 40984660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 41, 68, 76, 82, 85, 95, 109, 164, 170, 190, 205, 218, 323, 340, 380, 410, 436, 545, 646, 697, 779, 820, 1090, 1292, 1394, 1558, 1615, 1853, 2071, 2180, 2788, 3116, 3230, 3485, 3706, 3895, 4142, 4469, 6460, 6970, 7412, 7790, 8284, 8938, 9265, 10355, 13243, 13940, 15580, 17876, 18530, 20710, 22345, 26486, 35207, 37060, 41420, 44690, 52972, 66215, 70414, 75973, 84911, 89380, 132430, 140828, 151946, 169822, 176035, 264860, 303892, 339644, 352070, 379865, 424555, 704140, 759730, 849110, 1443487, 1519460, 1698220, 2886974, 5773948, 7217435, 14434870, 28869740]

約数ペア:

[(1, 28869740), (2, 14434870), (4, 7217435), (5, 5773948), (10, 2886974), (17, 1698220), (19, 1519460), (20, 1443487), (34, 849110), (38, 759730), (41, 704140), (68, 424555), (76, 379865), (82, 352070), (85, 339644), (95, 303892), (109, 264860), (164, 176035), (170, 169822), (190, 151946), (205, 140828), (218, 132430), (323, 89380), (340, 84911), (380, 75973), (410, 70414), (436, 66215), (545, 52972), (646, 44690), (697, 41420), (779, 37060), (820, 35207), (1090, 26486), (1292, 22345), (1394, 20710), (1558, 18530), (1615, 17876), (1853, 15580), (2071, 13940), (2180, 13243), (2788, 10355), (3116, 9265), (3230, 8938), (3485, 8284), (3706, 7790), (3895, 7412), (4142, 6970), (4469, 6460)]