31116470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 74462976

約数和(自身を除く): 43346506

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 49, 55, 70, 77, 98, 110, 115, 154, 161, 230, 245, 251, 253, 322, 385, 490, 502, 506, 539, 770, 805, 1078, 1127, 1255, 1265, 1610, 1757, 1771, 2254, 2510, 2530, 2695, 2761, 3514, 3542, 5390, 5522, 5635, 5773, 8785, 8855, 11270, 11546, 12299, 12397, 13805, 17570, 17710, 19327, 24598, 24794, 27610, 28865, 38654, 40411, 57730, 61495, 61985, 63503, 80822, 96635, 122990, 123970, 127006, 135289, 193270, 202055, 270578, 282877, 317515, 404110, 444521, 565754, 635030, 676445, 889042, 1352890, 1414385, 2222605, 2828770, 3111647, 4445210, 6223294, 15558235, 31116470]

約数ペア:

[(1, 31116470), (2, 15558235), (5, 6223294), (7, 4445210), (10, 3111647), (11, 2828770), (14, 2222605), (22, 1414385), (23, 1352890), (35, 889042), (46, 676445), (49, 635030), (55, 565754), (70, 444521), (77, 404110), (98, 317515), (110, 282877), (115, 270578), (154, 202055), (161, 193270), (230, 135289), (245, 127006), (251, 123970), (253, 122990), (322, 96635), (385, 80822), (490, 63503), (502, 61985), (506, 61495), (539, 57730), (770, 40411), (805, 38654), (1078, 28865), (1127, 27610), (1255, 24794), (1265, 24598), (1610, 19327), (1757, 17710), (1771, 17570), (2254, 13805), (2510, 12397), (2530, 12299), (2695, 11546), (2761, 11270), (3514, 8855), (3542, 8785), (5390, 5773), (5522, 5635)]