28343490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1127

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 50038590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 971, 973, 1390, 1942, 1946, 2085, 2913, 2919, 4170, 4855, 4865, 5826, 5838, 6797, 9710, 9730, 13594, 14565, 14595, 20391, 29130, 29190, 33985, 40782, 67970, 101955, 134969, 203910, 269938, 404907, 674845, 809814, 944783, 1349690, 1889566, 2024535, 2834349, 4049070, 4723915, 5668698, 9447830, 14171745, 28343490]

約数ペア:

[(1, 28343490), (2, 14171745), (3, 9447830), (5, 5668698), (6, 4723915), (7, 4049070), (10, 2834349), (14, 2024535), (15, 1889566), (21, 1349690), (30, 944783), (35, 809814), (42, 674845), (70, 404907), (105, 269938), (139, 203910), (210, 134969), (278, 101955), (417, 67970), (695, 40782), (834, 33985), (971, 29190), (973, 29130), (1390, 20391), (1942, 14595), (1946, 14565), (2085, 13594), (2913, 9730), (2919, 9710), (4170, 6797), (4855, 5838), (4865, 5826)]