8404660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 20377728

約数和(自身を除く): 11973068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 151, 220, 230, 242, 253, 302, 460, 484, 506, 604, 605, 755, 1012, 1210, 1265, 1510, 1661, 2420, 2530, 2783, 3020, 3322, 3473, 5060, 5566, 6644, 6946, 8305, 11132, 13892, 13915, 16610, 17365, 18271, 27830, 33220, 34730, 36542, 38203, 55660, 69460, 73084, 76406, 91355, 152812, 182710, 191015, 365420, 382030, 420233, 764060, 840466, 1680932, 2101165, 4202330, 8404660]

約数ペア:

[(1, 8404660), (2, 4202330), (4, 2101165), (5, 1680932), (10, 840466), (11, 764060), (20, 420233), (22, 382030), (23, 365420), (44, 191015), (46, 182710), (55, 152812), (92, 91355), (110, 76406), (115, 73084), (121, 69460), (151, 55660), (220, 38203), (230, 36542), (242, 34730), (253, 33220), (302, 27830), (460, 18271), (484, 17365), (506, 16610), (604, 13915), (605, 13892), (755, 11132), (1012, 8305), (1210, 6946), (1265, 6644), (1510, 5566), (1661, 5060), (2420, 3473), (2530, 3322), (2783, 3020)]