31478150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^4\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 60

約数和(自身を含む): 65901660

約数和(自身を除く): 34423510

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 121, 215, 242, 275, 430, 473, 550, 605, 946, 1075, 1210, 1331, 2150, 2365, 2662, 3025, 4730, 5203, 6050, 6655, 10406, 11825, 13310, 14641, 23650, 26015, 29282, 33275, 52030, 57233, 66550, 73205, 114466, 130075, 146410, 260150, 286165, 366025, 572330, 629563, 732050, 1259126, 1430825, 2861650, 3147815, 6295630, 15739075, 31478150]

約数ペア:

[(1, 31478150), (2, 15739075), (5, 6295630), (10, 3147815), (11, 2861650), (22, 1430825), (25, 1259126), (43, 732050), (50, 629563), (55, 572330), (86, 366025), (110, 286165), (121, 260150), (215, 146410), (242, 130075), (275, 114466), (430, 73205), (473, 66550), (550, 57233), (605, 52030), (946, 33275), (1075, 29282), (1210, 26015), (1331, 23650), (2150, 14641), (2365, 13310), (2662, 11825), (3025, 10406), (4730, 6655), (5203, 6050)]