681239457580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1\times {\mathrm{32983}}^1$

素因数の和:33647

約数の個数: 96

約数和(自身を含む): 1571427422208

約数和(自身を除く): 890187964628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 421, 446, 842, 892, 1115, 1684, 2105, 2230, 2453, 4210, 4460, 4631, 4906, 8420, 9262, 9812, 12265, 18524, 23155, 24530, 32983, 46310, 49060, 65966, 92620, 93883, 131932, 164915, 187766, 329830, 362813, 375532, 469415, 659660, 725626, 938830, 1032713, 1451252, 1814065, 1877660, 2065426, 3628130, 4130852, 5163565, 7256260, 7355209, 10327130, 13885843, 14710418, 20654260, 27771686, 29420836, 36776045, 55543372, 69429215, 73552090, 80907299, 138858430, 147104180, 152744273, 161814598, 277716860, 305488546, 323629196, 404536495, 610977092, 763721365, 809072990, 1527442730, 1618145980, 3054885460, 3096542989, 6193085978, 12386171956, 15482714945, 30965429890, 34061972879, 61930859780, 68123945758, 136247891516, 170309864395, 340619728790, 681239457580]

約数ペア:

[(1, 681239457580), (2, 340619728790), (4, 170309864395), (5, 136247891516), (10, 68123945758), (11, 61930859780), (20, 34061972879), (22, 30965429890), (44, 15482714945), (55, 12386171956), (110, 6193085978), (220, 3096542989), (223, 3054885460), (421, 1618145980), (446, 1527442730), (842, 809072990), (892, 763721365), (1115, 610977092), (1684, 404536495), (2105, 323629196), (2230, 305488546), (2453, 277716860), (4210, 161814598), (4460, 152744273), (4631, 147104180), (4906, 138858430), (8420, 80907299), (9262, 73552090), (9812, 69429215), (12265, 55543372), (18524, 36776045), (23155, 29420836), (24530, 27771686), (32983, 20654260), (46310, 14710418), (49060, 13885843), (65966, 10327130), (92620, 7355209), (93883, 7256260), (131932, 5163565), (164915, 4130852), (187766, 3628130), (329830, 2065426), (362813, 1877660), (375532, 1814065), (469415, 1451252), (659660, 1032713), (725626, 938830)]