788974850

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 1490261760

約数和(自身を除く): 701286910

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 239, 478, 515, 641, 1030, 1195, 1282, 2390, 2575, 3205, 5150, 5975, 6410, 11950, 16025, 24617, 32050, 49234, 66023, 123085, 132046, 153199, 246170, 306398, 330115, 615425, 660230, 765995, 1230850, 1531990, 1650575, 3301150, 3829975, 7659950, 15779497, 31558994, 78897485, 157794970, 394487425, 788974850]

約数ペア:

[(1, 788974850), (2, 394487425), (5, 157794970), (10, 78897485), (25, 31558994), (50, 15779497), (103, 7659950), (206, 3829975), (239, 3301150), (478, 1650575), (515, 1531990), (641, 1230850), (1030, 765995), (1195, 660230), (1282, 615425), (2390, 330115), (2575, 306398), (3205, 246170), (5150, 153199), (5975, 132046), (6410, 123085), (11950, 66023), (16025, 49234), (24617, 32050)]