306270580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{28411}}^1$

素因数の和:28445

約数の個数: 72

約数和(自身を含む): 816219936

約数和(自身を除く): 509949356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 28411, 56822, 113644, 142055, 198877, 284110, 312521, 397754, 568220, 625042, 795508, 994385, 1250084, 1392139, 1562605, 1988770, 2187647, 2784278, 3125210, 3977540, 4375294, 5568556, 6250420, 6960695, 8750588, 10938235, 13921390, 15313529, 21876470, 27842780, 30627058, 43752940, 61254116, 76567645, 153135290, 306270580]

約数ペア:

[(1, 306270580), (2, 153135290), (4, 76567645), (5, 61254116), (7, 43752940), (10, 30627058), (11, 27842780), (14, 21876470), (20, 15313529), (22, 13921390), (28, 10938235), (35, 8750588), (44, 6960695), (49, 6250420), (55, 5568556), (70, 4375294), (77, 3977540), (98, 3125210), (110, 2784278), (140, 2187647), (154, 1988770), (196, 1562605), (220, 1392139), (245, 1250084), (308, 994385), (385, 795508), (490, 625042), (539, 568220), (770, 397754), (980, 312521), (1078, 284110), (1540, 198877), (2156, 142055), (2695, 113644), (5390, 56822), (10780, 28411)]