28874580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68749}}^1$

素因数の和:68768

約数の個数: 48

約数和(自身を含む): 92400000

約数和(自身を除く): 63525420

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, 68749, 137498, 206247, 274996, 343745, 412494, 481243, 687490, 824988, 962486, 1031235, 1374980, 1443729, 1924972, 2062470, 2406215, 2887458, 4124940, 4812430, 5774916, 7218645, 9624860, 14437290, 28874580]

約数ペア:

[(1, 28874580), (2, 14437290), (3, 9624860), (4, 7218645), (5, 5774916), (6, 4812430), (7, 4124940), (10, 2887458), (12, 2406215), (14, 2062470), (15, 1924972), (20, 1443729), (21, 1374980), (28, 1031235), (30, 962486), (35, 824988), (42, 687490), (60, 481243), (70, 412494), (84, 343745), (105, 274996), (140, 206247), (210, 137498), (420, 68749)]