395731140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{942217}}^1$

素因数の和:942236

約数の個数: 48

約数和(自身を含む): 1266340992

約数和(自身を除く): 870609852

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, 942217, 1884434, 2826651, 3768868, 4711085, 5653302, 6595519, 9422170, 11306604, 13191038, 14133255, 18844340, 19786557, 26382076, 28266510, 32977595, 39573114, 56533020, 65955190, 79146228, 98932785, 131910380, 197865570, 395731140]

約数ペア:

[(1, 395731140), (2, 197865570), (3, 131910380), (4, 98932785), (5, 79146228), (6, 65955190), (7, 56533020), (10, 39573114), (12, 32977595), (14, 28266510), (15, 26382076), (20, 19786557), (21, 18844340), (28, 14133255), (30, 13191038), (35, 11306604), (42, 9422170), (60, 6595519), (70, 5653302), (84, 4711085), (105, 3768868), (140, 2826651), (210, 1884434), (420, 942217)]