28652140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 71414784

約数和(自身を除く): 42762644

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 163, 170, 187, 188, 220, 235, 326, 340, 374, 470, 517, 652, 748, 799, 815, 935, 940, 1034, 1598, 1630, 1793, 1870, 2068, 2585, 2771, 3196, 3260, 3586, 3740, 3995, 5170, 5542, 7172, 7661, 7990, 8789, 8965, 10340, 11084, 13855, 15322, 15980, 17578, 17930, 27710, 30481, 30644, 35156, 35860, 38305, 43945, 55420, 60962, 76610, 84271, 87890, 121924, 130237, 152405, 153220, 168542, 175780, 260474, 304810, 337084, 421355, 520948, 609620, 651185, 842710, 1302370, 1432607, 1685420, 2604740, 2865214, 5730428, 7163035, 14326070, 28652140]

約数ペア:

[(1, 28652140), (2, 14326070), (4, 7163035), (5, 5730428), (10, 2865214), (11, 2604740), (17, 1685420), (20, 1432607), (22, 1302370), (34, 842710), (44, 651185), (47, 609620), (55, 520948), (68, 421355), (85, 337084), (94, 304810), (110, 260474), (163, 175780), (170, 168542), (187, 153220), (188, 152405), (220, 130237), (235, 121924), (326, 87890), (340, 84271), (374, 76610), (470, 60962), (517, 55420), (652, 43945), (748, 38305), (799, 35860), (815, 35156), (935, 30644), (940, 30481), (1034, 27710), (1598, 17930), (1630, 17578), (1793, 15980), (1870, 15322), (2068, 13855), (2585, 11084), (2771, 10340), (3196, 8965), (3260, 8789), (3586, 7990), (3740, 7661), (3995, 7172), (5170, 5542)]