217427180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5749}}^1$

素因数の和:5850

約数の個数: 48

約数和(自身を含む): 479136000

約数和(自身を除く): 261708820

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 5749, 7564, 9455, 11498, 18910, 22996, 28745, 37820, 57490, 114980, 178219, 350689, 356438, 701378, 712876, 891095, 1402756, 1753445, 1782190, 3506890, 3564380, 7013780, 10871359, 21742718, 43485436, 54356795, 108713590, 217427180]

約数ペア:

[(1, 217427180), (2, 108713590), (4, 54356795), (5, 43485436), (10, 21742718), (20, 10871359), (31, 7013780), (61, 3564380), (62, 3506890), (122, 1782190), (124, 1753445), (155, 1402756), (244, 891095), (305, 712876), (310, 701378), (610, 356438), (620, 350689), (1220, 178219), (1891, 114980), (3782, 57490), (5749, 37820), (7564, 28745), (9455, 22996), (11498, 18910)]