983478980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{7829}}^1$

素因数の和:8420

約数の個数: 48

約数和(自身を含む): 2257295040

約数和(自身を除く): 1273816060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 571, 1142, 2284, 2855, 5710, 6281, 7829, 11420, 12562, 15658, 25124, 31316, 31405, 39145, 62810, 78290, 86119, 125620, 156580, 172238, 344476, 430595, 861190, 1722380, 4470359, 8940718, 17881436, 22351795, 44703590, 49173949, 89407180, 98347898, 196695796, 245869745, 491739490, 983478980]

約数ペア:

[(1, 983478980), (2, 491739490), (4, 245869745), (5, 196695796), (10, 98347898), (11, 89407180), (20, 49173949), (22, 44703590), (44, 22351795), (55, 17881436), (110, 8940718), (220, 4470359), (571, 1722380), (1142, 861190), (2284, 430595), (2855, 344476), (5710, 172238), (6281, 156580), (7829, 125620), (11420, 86119), (12562, 78290), (15658, 62810), (25124, 39145), (31316, 31405)]