138940308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 108

約数和(自身を含む): 390279708

約数和(自身を除く): 251339400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 169, 234, 246, 338, 369, 468, 492, 507, 533, 557, 676, 738, 1014, 1066, 1114, 1476, 1521, 1599, 1671, 2028, 2132, 2228, 3042, 3198, 3342, 4797, 5013, 6084, 6396, 6684, 6929, 7241, 9594, 10026, 13858, 14482, 19188, 20052, 20787, 21723, 22837, 27716, 28964, 41574, 43446, 45674, 62361, 65169, 68511, 83148, 86892, 91348, 94133, 124722, 130338, 137022, 188266, 205533, 249444, 260676, 274044, 282399, 296881, 376532, 411066, 564798, 593762, 822132, 847197, 890643, 1129596, 1187524, 1694394, 1781286, 2671929, 3388788, 3562572, 3859453, 5343858, 7718906, 10687716, 11578359, 15437812, 23156718, 34735077, 46313436, 69470154, 138940308]

約数ペア:

[(1, 138940308), (2, 69470154), (3, 46313436), (4, 34735077), (6, 23156718), (9, 15437812), (12, 11578359), (13, 10687716), (18, 7718906), (26, 5343858), (36, 3859453), (39, 3562572), (41, 3388788), (52, 2671929), (78, 1781286), (82, 1694394), (117, 1187524), (123, 1129596), (156, 890643), (164, 847197), (169, 822132), (234, 593762), (246, 564798), (338, 411066), (369, 376532), (468, 296881), (492, 282399), (507, 274044), (533, 260676), (557, 249444), (676, 205533), (738, 188266), (1014, 137022), (1066, 130338), (1114, 124722), (1476, 94133), (1521, 91348), (1599, 86892), (1671, 83148), (2028, 68511), (2132, 65169), (2228, 62361), (3042, 45674), (3198, 43446), (3342, 41574), (4797, 28964), (5013, 27716), (6084, 22837), (6396, 21723), (6684, 20787), (6929, 20052), (7241, 19188), (9594, 14482), (10026, 13858)]