987574250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1097}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 1999958688

約数和(自身を除く): 1012384438

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 277, 325, 554, 650, 1097, 1385, 1625, 2194, 2770, 3250, 3601, 5485, 6925, 7202, 10970, 13850, 14261, 18005, 27425, 28522, 34625, 36010, 54850, 69250, 71305, 90025, 137125, 142610, 180050, 274250, 303869, 356525, 450125, 607738, 713050, 900250, 1519345, 1782625, 3038690, 3565250, 3950297, 7596725, 7900594, 15193450, 19751485, 37983625, 39502970, 75967250, 98757425, 197514850, 493787125, 987574250]

約数ペア:

[(1, 987574250), (2, 493787125), (5, 197514850), (10, 98757425), (13, 75967250), (25, 39502970), (26, 37983625), (50, 19751485), (65, 15193450), (125, 7900594), (130, 7596725), (250, 3950297), (277, 3565250), (325, 3038690), (554, 1782625), (650, 1519345), (1097, 900250), (1385, 713050), (1625, 607738), (2194, 450125), (2770, 356525), (3250, 303869), (3601, 274250), (5485, 180050), (6925, 142610), (7202, 137125), (10970, 90025), (13850, 71305), (14261, 69250), (18005, 54850), (27425, 36010), (28522, 34625)]