2912081260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307831}}^1$

素因数の和:307894

約数の個数: 48

約数和(自身を含む): 6826482432

約数和(自身を除く): 3914401172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 307831, 615662, 1231324, 1539155, 3078310, 3386141, 6156620, 6772282, 13236733, 13544564, 16930705, 26473466, 33861410, 52946932, 66183665, 67722820, 132367330, 145604063, 264734660, 291208126, 582416252, 728020315, 1456040630, 2912081260]

約数ペア:

[(1, 2912081260), (2, 1456040630), (4, 728020315), (5, 582416252), (10, 291208126), (11, 264734660), (20, 145604063), (22, 132367330), (43, 67722820), (44, 66183665), (55, 52946932), (86, 33861410), (110, 26473466), (172, 16930705), (215, 13544564), (220, 13236733), (430, 6772282), (473, 6156620), (860, 3386141), (946, 3078310), (1892, 1539155), (2365, 1231324), (4730, 615662), (9460, 307831)]