9901367020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{441631}}^1$

素因数の和:441718

約数の個数: 48

約数和(自身を含む): 22258252800

約数和(自身を除く): 12356885780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 441631, 883262, 1766524, 2208155, 4416310, 8390989, 8832620, 16781978, 26056229, 33563956, 41954945, 52112458, 83909890, 104224916, 130281145, 167819780, 260562290, 495068351, 521124580, 990136702, 1980273404, 2475341755, 4950683510, 9901367020]

約数ペア:

[(1, 9901367020), (2, 4950683510), (4, 2475341755), (5, 1980273404), (10, 990136702), (19, 521124580), (20, 495068351), (38, 260562290), (59, 167819780), (76, 130281145), (95, 104224916), (118, 83909890), (190, 52112458), (236, 41954945), (295, 33563956), (380, 26056229), (590, 16781978), (1121, 8832620), (1180, 8390989), (2242, 4416310), (4484, 2208155), (5605, 1766524), (11210, 883262), (22420, 441631)]