697989890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 1451701440

約数和(自身を除く): 753711550

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 107, 130, 139, 190, 214, 247, 278, 361, 494, 535, 695, 722, 1070, 1235, 1390, 1391, 1805, 1807, 2033, 2470, 2641, 2782, 3610, 3614, 4066, 4693, 5282, 6955, 9035, 9386, 10165, 13205, 13910, 14873, 18070, 20330, 23465, 26410, 26429, 29746, 34333, 38627, 46930, 50179, 52858, 68666, 74365, 77254, 100358, 132145, 148730, 171665, 193135, 193349, 250895, 264290, 282587, 343330, 386270, 386698, 501790, 502151, 565174, 652327, 966745, 1004302, 1304654, 1412935, 1933490, 2510755, 2825870, 3261635, 3673631, 5021510, 5369153, 6523270, 7347262, 10738306, 18368155, 26845765, 36736310, 53691530, 69798989, 139597978, 348994945, 697989890]

約数ペア:

[(1, 697989890), (2, 348994945), (5, 139597978), (10, 69798989), (13, 53691530), (19, 36736310), (26, 26845765), (38, 18368155), (65, 10738306), (95, 7347262), (107, 6523270), (130, 5369153), (139, 5021510), (190, 3673631), (214, 3261635), (247, 2825870), (278, 2510755), (361, 1933490), (494, 1412935), (535, 1304654), (695, 1004302), (722, 966745), (1070, 652327), (1235, 565174), (1390, 502151), (1391, 501790), (1805, 386698), (1807, 386270), (2033, 343330), (2470, 282587), (2641, 264290), (2782, 250895), (3610, 193349), (3614, 193135), (4066, 171665), (4693, 148730), (5282, 132145), (6955, 100358), (9035, 77254), (9386, 74365), (10165, 68666), (13205, 52858), (13910, 50179), (14873, 46930), (18070, 38627), (20330, 34333), (23465, 29746), (26410, 26429)]