284366980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1451}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 614718720

約数和(自身を除く): 330351740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 239, 410, 478, 820, 956, 1195, 1451, 2390, 2902, 4780, 5804, 7255, 9799, 14510, 19598, 29020, 39196, 48995, 59491, 97990, 118982, 195980, 237964, 297455, 346789, 594910, 693578, 1189820, 1387156, 1733945, 3467890, 6935780, 14218349, 28436698, 56873396, 71091745, 142183490, 284366980]

約数ペア:

[(1, 284366980), (2, 142183490), (4, 71091745), (5, 56873396), (10, 28436698), (20, 14218349), (41, 6935780), (82, 3467890), (164, 1733945), (205, 1387156), (239, 1189820), (410, 693578), (478, 594910), (820, 346789), (956, 297455), (1195, 237964), (1451, 195980), (2390, 118982), (2902, 97990), (4780, 59491), (5804, 48995), (7255, 39196), (9799, 29020), (14510, 19598)]