390772360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28649}}^1$

素因数の和:28702

約数の個数: 64

約数和(自身を含む): 990144000

約数和(自身を除く): 599371640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 28649, 57298, 114596, 143245, 229192, 286490, 315139, 572980, 630278, 888119, 1145960, 1260556, 1575695, 1776238, 2521112, 3151390, 3552476, 4440595, 6302780, 7104952, 8881190, 9769309, 12605560, 17762380, 19538618, 35524760, 39077236, 48846545, 78154472, 97693090, 195386180, 390772360]

約数ペア:

[(1, 390772360), (2, 195386180), (4, 97693090), (5, 78154472), (8, 48846545), (10, 39077236), (11, 35524760), (20, 19538618), (22, 17762380), (31, 12605560), (40, 9769309), (44, 8881190), (55, 7104952), (62, 6302780), (88, 4440595), (110, 3552476), (124, 3151390), (155, 2521112), (220, 1776238), (248, 1575695), (310, 1260556), (341, 1145960), (440, 888119), (620, 630278), (682, 572980), (1240, 315139), (1364, 286490), (1705, 229192), (2728, 143245), (3410, 114596), (6820, 57298), (13640, 28649)]