178105240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8081}}^1$

素因数の和:8140

約数の個数: 64

約数和(自身を含む): 436428000

約数和(自身を除く): 258322760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 8081, 11020, 16162, 22040, 32324, 40405, 64648, 80810, 153539, 161620, 234349, 307078, 323240, 468698, 614156, 767695, 937396, 1171745, 1228312, 1535390, 1874792, 2343490, 3070780, 4452631, 4686980, 6141560, 8905262, 9373960, 17810524, 22263155, 35621048, 44526310, 89052620, 178105240]

約数ペア:

[(1, 178105240), (2, 89052620), (4, 44526310), (5, 35621048), (8, 22263155), (10, 17810524), (19, 9373960), (20, 8905262), (29, 6141560), (38, 4686980), (40, 4452631), (58, 3070780), (76, 2343490), (95, 1874792), (116, 1535390), (145, 1228312), (152, 1171745), (190, 937396), (232, 767695), (290, 614156), (380, 468698), (551, 323240), (580, 307078), (760, 234349), (1102, 161620), (1160, 153539), (2204, 80810), (2755, 64648), (4408, 40405), (5510, 32324), (8081, 22040), (11020, 16162)]