29806980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{70969}}^1$

素因数の和:70988

約数の個数: 48

約数和(自身を含む): 95383680

約数和(自身を除く): 65576700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 70969, 141938, 212907, 283876, 354845, 425814, 496783, 709690, 851628, 993566, 1064535, 1419380, 1490349, 1987132, 2129070, 2483915, 2980698, 4258140, 4967830, 5961396, 7451745, 9935660, 14903490, 29806980]

約数ペア:

[(1, 29806980), (2, 14903490), (3, 9935660), (4, 7451745), (5, 5961396), (6, 4967830), (7, 4258140), (10, 2980698), (12, 2483915), (14, 2129070), (15, 1987132), (20, 1490349), (21, 1419380), (28, 1064535), (30, 993566), (35, 851628), (42, 709690), (60, 496783), (70, 425814), (84, 354845), (105, 283876), (140, 212907), (210, 141938), (420, 70969)]