209874990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1499}}^1$

素因数の和:1881

約数の個数: 64

約数和(自身を含む): 544320000

約数和(自身を除く): 334445010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 359, 390, 718, 1077, 1499, 1795, 2154, 2998, 3590, 4497, 4667, 5385, 7495, 8994, 9334, 10770, 14001, 14990, 19487, 22485, 23335, 28002, 38974, 44970, 46670, 58461, 70005, 97435, 116922, 140010, 194870, 292305, 538141, 584610, 1076282, 1614423, 2690705, 3228846, 5381410, 6995833, 8072115, 13991666, 16144230, 20987499, 34979165, 41974998, 69958330, 104937495, 209874990]

約数ペア:

[(1, 209874990), (2, 104937495), (3, 69958330), (5, 41974998), (6, 34979165), (10, 20987499), (13, 16144230), (15, 13991666), (26, 8072115), (30, 6995833), (39, 5381410), (65, 3228846), (78, 2690705), (130, 1614423), (195, 1076282), (359, 584610), (390, 538141), (718, 292305), (1077, 194870), (1499, 140010), (1795, 116922), (2154, 97435), (2998, 70005), (3590, 58461), (4497, 46670), (4667, 44970), (5385, 38974), (7495, 28002), (8994, 23335), (9334, 22485), (10770, 19487), (14001, 14990)]