269804560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1448

約数の個数: 80

約数和(自身を含む): 665582400

約数和(自身を除く): 395777840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 1112, 1277, 1390, 1520, 2224, 2554, 2641, 2780, 5108, 5282, 5560, 6385, 10216, 10564, 11120, 12770, 13205, 20432, 21128, 24263, 25540, 26410, 42256, 48526, 51080, 52820, 97052, 102160, 105640, 121315, 177503, 194104, 211280, 242630, 355006, 388208, 485260, 710012, 887515, 970520, 1420024, 1775030, 1941040, 2840048, 3372557, 3550060, 6745114, 7100120, 13490228, 14200240, 16862785, 26980456, 33725570, 53960912, 67451140, 134902280, 269804560]

約数ペア:

[(1, 269804560), (2, 134902280), (4, 67451140), (5, 53960912), (8, 33725570), (10, 26980456), (16, 16862785), (19, 14200240), (20, 13490228), (38, 7100120), (40, 6745114), (76, 3550060), (80, 3372557), (95, 2840048), (139, 1941040), (152, 1775030), (190, 1420024), (278, 970520), (304, 887515), (380, 710012), (556, 485260), (695, 388208), (760, 355006), (1112, 242630), (1277, 211280), (1390, 194104), (1520, 177503), (2224, 121315), (2554, 105640), (2641, 102160), (2780, 97052), (5108, 52820), (5282, 51080), (5560, 48526), (6385, 42256), (10216, 26410), (10564, 25540), (11120, 24263), (12770, 21128), (13205, 20432)]