156637900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{4339}}^1$

素因数の和:4391

約数の個数: 54

約数和(自身を含む): 358818180

約数和(自身を除く): 202180280

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 3610, 4339, 7220, 8678, 9025, 17356, 18050, 21695, 36100, 43390, 82441, 86780, 108475, 164882, 216950, 329764, 412205, 433900, 824410, 1566379, 1648820, 2061025, 3132758, 4122050, 6265516, 7831895, 8244100, 15663790, 31327580, 39159475, 78318950, 156637900]

約数ペア:

[(1, 156637900), (2, 78318950), (4, 39159475), (5, 31327580), (10, 15663790), (19, 8244100), (20, 7831895), (25, 6265516), (38, 4122050), (50, 3132758), (76, 2061025), (95, 1648820), (100, 1566379), (190, 824410), (361, 433900), (380, 412205), (475, 329764), (722, 216950), (950, 164882), (1444, 108475), (1805, 86780), (1900, 82441), (3610, 43390), (4339, 36100), (7220, 21695), (8678, 18050), (9025, 17356)]