1490454980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{105407}}^1$

素因数の和:105524

約数の個数: 48

約数和(自身を含む): 3612542976

約数和(自身を除く): 2122087996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 105407, 210814, 421628, 527035, 737849, 1054070, 1475698, 2108140, 2951396, 3689245, 7378490, 10646107, 14756980, 21292214, 42584428, 53230535, 74522749, 106461070, 149045498, 212922140, 298090996, 372613745, 745227490, 1490454980]

約数ペア:

[(1, 1490454980), (2, 745227490), (4, 372613745), (5, 298090996), (7, 212922140), (10, 149045498), (14, 106461070), (20, 74522749), (28, 53230535), (35, 42584428), (70, 21292214), (101, 14756980), (140, 10646107), (202, 7378490), (404, 3689245), (505, 2951396), (707, 2108140), (1010, 1475698), (1414, 1054070), (2020, 737849), (2828, 527035), (3535, 421628), (7070, 210814), (14140, 105407)]