199425660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1039}}^1$

素因数の和:1515

約数の個数: 96

約数和(自身を含む): 640174080

約数和(自身を除く): 440748420

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, 457, 914, 1039, 1371, 1828, 2078, 2285, 2742, 3117, 3199, 4156, 4570, 5195, 5484, 6234, 6398, 6855, 7273, 9140, 9597, 10390, 12468, 12796, 13710, 14546, 15585, 15995, 19194, 20780, 21819, 27420, 29092, 31170, 31990, 36365, 38388, 43638, 47985, 62340, 63980, 72730, 87276, 95970, 109095, 145460, 191940, 218190, 436380, 474823, 949646, 1424469, 1899292, 2374115, 2848938, 3323761, 4748230, 5697876, 6647522, 7122345, 9496460, 9971283, 13295044, 14244690, 16618805, 19942566, 28489380, 33237610, 39885132, 49856415, 66475220, 99712830, 199425660]

約数ペア:

[(1, 199425660), (2, 99712830), (3, 66475220), (4, 49856415), (5, 39885132), (6, 33237610), (7, 28489380), (10, 19942566), (12, 16618805), (14, 14244690), (15, 13295044), (20, 9971283), (21, 9496460), (28, 7122345), (30, 6647522), (35, 5697876), (42, 4748230), (60, 3323761), (70, 2848938), (84, 2374115), (105, 1899292), (140, 1424469), (210, 949646), (420, 474823), (457, 436380), (914, 218190), (1039, 191940), (1371, 145460), (1828, 109095), (2078, 95970), (2285, 87276), (2742, 72730), (3117, 63980), (3199, 62340), (4156, 47985), (4570, 43638), (5195, 38388), (5484, 36365), (6234, 31990), (6398, 31170), (6855, 29092), (7273, 27420), (9140, 21819), (9597, 20780), (10390, 19194), (12468, 15995), (12796, 15585), (13710, 14546)]