11858980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12101}}^1$

素因数の和:12124

約数の個数: 36

約数和(自身を含む): 28972188

約数和(自身を除く): 17113208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12101, 24202, 48404, 60505, 84707, 121010, 169414, 242020, 338828, 423535, 592949, 847070, 1185898, 1694140, 2371796, 2964745, 5929490, 11858980]

約数ペア:

[(1, 11858980), (2, 5929490), (4, 2964745), (5, 2371796), (7, 1694140), (10, 1185898), (14, 847070), (20, 592949), (28, 423535), (35, 338828), (49, 242020), (70, 169414), (98, 121010), (140, 84707), (196, 60505), (245, 48404), (490, 24202), (980, 12101)]