71313980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1531}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 159830496

約数和(自身を除く): 88516516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 1531, 2329, 2740, 3062, 4658, 6124, 7655, 9316, 11645, 15310, 23290, 26027, 30620, 46580, 52054, 104108, 130135, 209747, 260270, 419494, 520540, 838988, 1048735, 2097470, 3565699, 4194940, 7131398, 14262796, 17828495, 35656990, 71313980]

約数ペア:

[(1, 71313980), (2, 35656990), (4, 17828495), (5, 14262796), (10, 7131398), (17, 4194940), (20, 3565699), (34, 2097470), (68, 1048735), (85, 838988), (137, 520540), (170, 419494), (274, 260270), (340, 209747), (548, 130135), (685, 104108), (1370, 52054), (1531, 46580), (2329, 30620), (2740, 26027), (3062, 23290), (4658, 15310), (6124, 11645), (7655, 9316)]