209317508075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{3617}}^1$

素因数の和:3825

約数の個数: 96

約数和(自身を含む): 295978681152

約数和(自身を除く): 86661173077

約数列:

[1, 5, 13, 25, 41, 43, 65, 101, 205, 215, 325, 505, 533, 559, 1025, 1075, 1313, 1763, 2525, 2665, 2795, 3617, 4141, 4343, 6565, 8815, 13325, 13975, 18085, 20705, 21715, 22919, 32825, 44075, 47021, 53833, 56459, 90425, 103525, 108575, 114595, 148297, 155531, 178063, 235105, 269165, 282295, 365317, 572975, 741485, 777655, 890315, 1175525, 1345825, 1411475, 1826585, 1927861, 2021903, 2314819, 3707425, 3888275, 4451575, 4749121, 6376771, 9132925, 9639305, 10109515, 11574095, 14977997, 15708631, 23745605, 31883855, 48196525, 50547575, 57870475, 74889985, 78543155, 82898023, 118728025, 159419275, 194713961, 204212203, 374449925, 392715775, 414490115, 644053871, 973569805, 1021061015, 2072450575, 3220269355, 4867849025, 5105305075, 8372700323, 16101346775, 41863501615, 209317508075]

約数ペア:

[(1, 209317508075), (5, 41863501615), (13, 16101346775), (25, 8372700323), (41, 5105305075), (43, 4867849025), (65, 3220269355), (101, 2072450575), (205, 1021061015), (215, 973569805), (325, 644053871), (505, 414490115), (533, 392715775), (559, 374449925), (1025, 204212203), (1075, 194713961), (1313, 159419275), (1763, 118728025), (2525, 82898023), (2665, 78543155), (2795, 74889985), (3617, 57870475), (4141, 50547575), (4343, 48196525), (6565, 31883855), (8815, 23745605), (13325, 15708631), (13975, 14977997), (18085, 11574095), (20705, 10109515), (21715, 9639305), (22919, 9132925), (32825, 6376771), (44075, 4749121), (47021, 4451575), (53833, 3888275), (56459, 3707425), (90425, 2314819), (103525, 2021903), (108575, 1927861), (114595, 1826585), (148297, 1411475), (155531, 1345825), (178063, 1175525), (235105, 890315), (269165, 777655), (282295, 741485), (365317, 572975)]