138940620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25447}}^1$

素因数の和:25479

約数の個数: 96

約数和(自身を含む): 478829568

約数和(自身を除く): 339888948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 25447, 50894, 76341, 101788, 127235, 152682, 178129, 254470, 305364, 330811, 356258, 381705, 508940, 534387, 661622, 712516, 763410, 890645, 992433, 1068774, 1323244, 1526820, 1654055, 1781290, 1984866, 2137548, 2315677, 2671935, 3308110, 3562580, 3969732, 4631354, 4962165, 5343870, 6616220, 6947031, 9262708, 9924330, 10687740, 11578385, 13894062, 19848660, 23156770, 27788124, 34735155, 46313540, 69470310, 138940620]

約数ペア:

[(1, 138940620), (2, 69470310), (3, 46313540), (4, 34735155), (5, 27788124), (6, 23156770), (7, 19848660), (10, 13894062), (12, 11578385), (13, 10687740), (14, 9924330), (15, 9262708), (20, 6947031), (21, 6616220), (26, 5343870), (28, 4962165), (30, 4631354), (35, 3969732), (39, 3562580), (42, 3308110), (52, 2671935), (60, 2315677), (65, 2137548), (70, 1984866), (78, 1781290), (84, 1654055), (91, 1526820), (105, 1323244), (130, 1068774), (140, 992433), (156, 890645), (182, 763410), (195, 712516), (210, 661622), (260, 534387), (273, 508940), (364, 381705), (390, 356258), (420, 330811), (455, 305364), (546, 254470), (780, 178129), (910, 152682), (1092, 127235), (1365, 101788), (1820, 76341), (2730, 50894), (5460, 25447)]