247986620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{1657}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 596084160

約数和(自身を除く): 348097540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069, 1657, 2138, 3314, 4276, 5345, 6628, 7483, 8285, 10690, 11599, 14966, 16570, 21380, 23198, 29932, 33140, 37415, 46396, 57995, 74830, 115990, 149660, 231980, 1771333, 3542666, 7085332, 8856665, 12399331, 17713330, 24798662, 35426660, 49597324, 61996655, 123993310, 247986620]

約数ペア:

[(1, 247986620), (2, 123993310), (4, 61996655), (5, 49597324), (7, 35426660), (10, 24798662), (14, 17713330), (20, 12399331), (28, 8856665), (35, 7085332), (70, 3542666), (140, 1771333), (1069, 231980), (1657, 149660), (2138, 115990), (3314, 74830), (4276, 57995), (5345, 46396), (6628, 37415), (7483, 33140), (8285, 29932), (10690, 23198), (11599, 21380), (14966, 16570)]