29387380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 70066080

約数和(自身を除く): 40678700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 139, 155, 220, 278, 310, 341, 556, 620, 682, 695, 961, 1364, 1390, 1529, 1705, 1922, 2780, 3058, 3410, 3844, 4309, 4805, 6116, 6820, 7645, 8618, 9610, 10571, 15290, 17236, 19220, 21142, 21545, 30580, 42284, 43090, 47399, 52855, 86180, 94798, 105710, 133579, 189596, 211420, 236995, 267158, 473990, 534316, 667895, 947980, 1335790, 1469369, 2671580, 2938738, 5877476, 7346845, 14693690, 29387380]

約数ペア:

[(1, 29387380), (2, 14693690), (4, 7346845), (5, 5877476), (10, 2938738), (11, 2671580), (20, 1469369), (22, 1335790), (31, 947980), (44, 667895), (55, 534316), (62, 473990), (110, 267158), (124, 236995), (139, 211420), (155, 189596), (220, 133579), (278, 105710), (310, 94798), (341, 86180), (556, 52855), (620, 47399), (682, 43090), (695, 42284), (961, 30580), (1364, 21545), (1390, 21142), (1529, 19220), (1705, 17236), (1922, 15290), (2780, 10571), (3058, 9610), (3410, 8618), (3844, 7645), (4309, 6820), (4805, 6116)]