305604860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 709466688

約数和(自身を除く): 403861828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 293, 431, 484, 586, 605, 862, 1172, 1210, 1465, 1724, 2155, 2420, 2930, 3223, 4310, 4741, 5860, 6446, 8620, 9482, 12892, 16115, 18964, 23705, 32230, 35453, 47410, 52151, 64460, 70906, 94820, 104302, 126283, 141812, 177265, 208604, 252566, 260755, 354530, 505132, 521510, 631415, 709060, 1043020, 1262830, 1389113, 2525660, 2778226, 5556452, 6945565, 13891130, 15280243, 27782260, 30560486, 61120972, 76401215, 152802430, 305604860]

約数ペア:

[(1, 305604860), (2, 152802430), (4, 76401215), (5, 61120972), (10, 30560486), (11, 27782260), (20, 15280243), (22, 13891130), (44, 6945565), (55, 5556452), (110, 2778226), (121, 2525660), (220, 1389113), (242, 1262830), (293, 1043020), (431, 709060), (484, 631415), (586, 521510), (605, 505132), (862, 354530), (1172, 260755), (1210, 252566), (1465, 208604), (1724, 177265), (2155, 141812), (2420, 126283), (2930, 104302), (3223, 94820), (4310, 70906), (4741, 64460), (5860, 52151), (6446, 47410), (8620, 35453), (9482, 32230), (12892, 23705), (16115, 18964)]