2149798980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5118569}}^1$

素因数の和:5118588

約数の個数: 48

約数和(自身を含む): 6879358080

約数和(自身を除く): 4729559100

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, 5118569, 10237138, 15355707, 20474276, 25592845, 30711414, 35829983, 51185690, 61422828, 71659966, 76778535, 102371380, 107489949, 143319932, 153557070, 179149915, 214979898, 307114140, 358299830, 429959796, 537449745, 716599660, 1074899490, 2149798980]

約数ペア:

[(1, 2149798980), (2, 1074899490), (3, 716599660), (4, 537449745), (5, 429959796), (6, 358299830), (7, 307114140), (10, 214979898), (12, 179149915), (14, 153557070), (15, 143319932), (20, 107489949), (21, 102371380), (28, 76778535), (30, 71659966), (35, 61422828), (42, 51185690), (60, 35829983), (70, 30711414), (84, 25592845), (105, 20474276), (140, 15355707), (210, 10237138), (420, 5118569)]