322480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 781200

約数和(自身を除く): 458720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 139, 145, 232, 278, 290, 464, 556, 580, 695, 1112, 1160, 1390, 2224, 2320, 2780, 4031, 5560, 8062, 11120, 16124, 20155, 32248, 40310, 64496, 80620, 161240, 322480]

約数ペア:

[(1, 322480), (2, 161240), (4, 80620), (5, 64496), (8, 40310), (10, 32248), (16, 20155), (20, 16124), (29, 11120), (40, 8062), (58, 5560), (80, 4031), (116, 2780), (139, 2320), (145, 2224), (232, 1390), (278, 1160), (290, 1112), (464, 695), (556, 580)]