31030450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 66495744

約数和(自身を除く): 35465294

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 121, 223, 230, 242, 253, 275, 446, 506, 550, 575, 605, 1115, 1150, 1210, 1265, 2230, 2453, 2530, 2783, 3025, 4906, 5129, 5566, 5575, 6050, 6325, 10258, 11150, 12265, 12650, 13915, 24530, 25645, 26983, 27830, 51290, 53966, 56419, 61325, 69575, 112838, 122650, 128225, 134915, 139150, 256450, 269830, 282095, 564190, 620609, 674575, 1241218, 1349150, 1410475, 2820950, 3103045, 6206090, 15515225, 31030450]

約数ペア:

[(1, 31030450), (2, 15515225), (5, 6206090), (10, 3103045), (11, 2820950), (22, 1410475), (23, 1349150), (25, 1241218), (46, 674575), (50, 620609), (55, 564190), (110, 282095), (115, 269830), (121, 256450), (223, 139150), (230, 134915), (242, 128225), (253, 122650), (275, 112838), (446, 69575), (506, 61325), (550, 56419), (575, 53966), (605, 51290), (1115, 27830), (1150, 26983), (1210, 25645), (1265, 24530), (2230, 13915), (2453, 12650), (2530, 12265), (2783, 11150), (3025, 10258), (4906, 6325), (5129, 6050), (5566, 5575)]