260930800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 180

約数和(自身を含む): 717636360

約数和(自身を除く): 456705560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 139, 152, 190, 200, 208, 247, 260, 278, 304, 325, 361, 380, 400, 475, 494, 520, 556, 650, 695, 722, 760, 950, 988, 1040, 1112, 1235, 1300, 1390, 1444, 1520, 1805, 1807, 1900, 1976, 2224, 2470, 2600, 2641, 2780, 2888, 3475, 3610, 3614, 3800, 3952, 4693, 4940, 5200, 5282, 5560, 5776, 6175, 6950, 7220, 7228, 7600, 9025, 9035, 9386, 9880, 10564, 11120, 12350, 13205, 13900, 14440, 14456, 18050, 18070, 18772, 19760, 21128, 23465, 24700, 26410, 27800, 28880, 28912, 34333, 36100, 36140, 37544, 42256, 45175, 46930, 49400, 50179, 52820, 55600, 66025, 68666, 72200, 72280, 75088, 90350, 93860, 98800, 100358, 105640, 117325, 132050, 137332, 144400, 144560, 171665, 180700, 187720, 200716, 211280, 234650, 250895, 264100, 274664, 343330, 361400, 375440, 401432, 469300, 501790, 528200, 549328, 652327, 686660, 722800, 802864, 858325, 938600, 1003580, 1056400, 1254475, 1304654, 1373320, 1716650, 1877200, 2007160, 2508950, 2609308, 2746640, 3261635, 3433300, 4014320, 5017900, 5218616, 6523270, 6866600, 10035800, 10437232, 13046540, 13733200, 16308175, 20071600, 26093080, 32616350, 52186160, 65232700, 130465400, 260930800]

約数ペア:

[(1, 260930800), (2, 130465400), (4, 65232700), (5, 52186160), (8, 32616350), (10, 26093080), (13, 20071600), (16, 16308175), (19, 13733200), (20, 13046540), (25, 10437232), (26, 10035800), (38, 6866600), (40, 6523270), (50, 5218616), (52, 5017900), (65, 4014320), (76, 3433300), (80, 3261635), (95, 2746640), (100, 2609308), (104, 2508950), (130, 2007160), (139, 1877200), (152, 1716650), (190, 1373320), (200, 1304654), (208, 1254475), (247, 1056400), (260, 1003580), (278, 938600), (304, 858325), (325, 802864), (361, 722800), (380, 686660), (400, 652327), (475, 549328), (494, 528200), (520, 501790), (556, 469300), (650, 401432), (695, 375440), (722, 361400), (760, 343330), (950, 274664), (988, 264100), (1040, 250895), (1112, 234650), (1235, 211280), (1300, 200716), (1390, 187720), (1444, 180700), (1520, 171665), (1805, 144560), (1807, 144400), (1900, 137332), (1976, 132050), (2224, 117325), (2470, 105640), (2600, 100358), (2641, 98800), (2780, 93860), (2888, 90350), (3475, 75088), (3610, 72280), (3614, 72200), (3800, 68666), (3952, 66025), (4693, 55600), (4940, 52820), (5200, 50179), (5282, 49400), (5560, 46930), (5776, 45175), (6175, 42256), (6950, 37544), (7220, 36140), (7228, 36100), (7600, 34333), (9025, 28912), (9035, 28880), (9386, 27800), (9880, 26410), (10564, 24700), (11120, 23465), (12350, 21128), (13205, 19760), (13900, 18772), (14440, 18070), (14456, 18050)]