157771390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 345907584

約数和(自身を除く): 188136194

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 197, 238, 394, 595, 673, 985, 1190, 1346, 1379, 1970, 2758, 3349, 3365, 4711, 6698, 6730, 6895, 9422, 11441, 13790, 16745, 22882, 23443, 23555, 33490, 46886, 47110, 57205, 80087, 114410, 117215, 132581, 160174, 234430, 265162, 400435, 662905, 800870, 928067, 1325810, 1856134, 2253877, 4507754, 4640335, 9280670, 11269385, 15777139, 22538770, 31554278, 78885695, 157771390]

約数ペア:

[(1, 157771390), (2, 78885695), (5, 31554278), (7, 22538770), (10, 15777139), (14, 11269385), (17, 9280670), (34, 4640335), (35, 4507754), (70, 2253877), (85, 1856134), (119, 1325810), (170, 928067), (197, 800870), (238, 662905), (394, 400435), (595, 265162), (673, 234430), (985, 160174), (1190, 132581), (1346, 117215), (1379, 114410), (1970, 80087), (2758, 57205), (3349, 47110), (3365, 46886), (4711, 33490), (6698, 23555), (6730, 23443), (6895, 22882), (9422, 16745), (11441, 13790)]