174647980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 400840272

約数和(自身を除く): 226192292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 169, 260, 317, 326, 338, 634, 652, 676, 815, 845, 1268, 1585, 1630, 1690, 2119, 3170, 3260, 3380, 4121, 4238, 6340, 8242, 8476, 10595, 16484, 20605, 21190, 27547, 41210, 42380, 51671, 53573, 55094, 82420, 103342, 107146, 110188, 137735, 206684, 214292, 258355, 267865, 275470, 516710, 535730, 550940, 671723, 1033420, 1071460, 1343446, 2686892, 3358615, 6717230, 8732399, 13434460, 17464798, 34929596, 43661995, 87323990, 174647980]

約数ペア:

[(1, 174647980), (2, 87323990), (4, 43661995), (5, 34929596), (10, 17464798), (13, 13434460), (20, 8732399), (26, 6717230), (52, 3358615), (65, 2686892), (130, 1343446), (163, 1071460), (169, 1033420), (260, 671723), (317, 550940), (326, 535730), (338, 516710), (634, 275470), (652, 267865), (676, 258355), (815, 214292), (845, 206684), (1268, 137735), (1585, 110188), (1630, 107146), (1690, 103342), (2119, 82420), (3170, 55094), (3260, 53573), (3380, 51671), (4121, 42380), (4238, 41210), (6340, 27547), (8242, 21190), (8476, 20605), (10595, 16484)]