129668140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2333}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 312121152

約数和(自身を除く): 182453012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2333, 2779, 3970, 4666, 5558, 7940, 9332, 11116, 11665, 13895, 16331, 23330, 27790, 32662, 46660, 55580, 65324, 81655, 163310, 326620, 926201, 1852402, 3704804, 4631005, 6483407, 9262010, 12966814, 18524020, 25933628, 32417035, 64834070, 129668140]

約数ペア:

[(1, 129668140), (2, 64834070), (4, 32417035), (5, 25933628), (7, 18524020), (10, 12966814), (14, 9262010), (20, 6483407), (28, 4631005), (35, 3704804), (70, 1852402), (140, 926201), (397, 326620), (794, 163310), (1588, 81655), (1985, 65324), (2333, 55580), (2779, 46660), (3970, 32662), (4666, 27790), (5558, 23330), (7940, 16331), (9332, 13895), (11116, 11665)]