1490993008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{74729}}^1$

素因数の和:74809

約数の個数: 40

約数和(自身を含む): 3057951600

約数和(自身を除く): 1566958592

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 4988, 9976, 19952, 74729, 149458, 298916, 597832, 1195664, 2167141, 3213347, 4334282, 6426694, 8668564, 12853388, 17337128, 25706776, 34674256, 51413552, 93187063, 186374126, 372748252, 745496504, 1490993008]

約数ペア:

[(1, 1490993008), (2, 745496504), (4, 372748252), (8, 186374126), (16, 93187063), (29, 51413552), (43, 34674256), (58, 25706776), (86, 17337128), (116, 12853388), (172, 8668564), (232, 6426694), (344, 4334282), (464, 3213347), (688, 2167141), (1247, 1195664), (2494, 597832), (4988, 298916), (9976, 149458), (19952, 74729)]