135135220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2989

約数の個数: 72

約数和(自身を含む): 328456800

約数和(自身を除く): 193321580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 2939, 4180, 4598, 5878, 9196, 11495, 11756, 14695, 22990, 29390, 32329, 45980, 55841, 58780, 64658, 111682, 129316, 161645, 223364, 279205, 323290, 355619, 558410, 614251, 646580, 711238, 1116820, 1228502, 1422476, 1778095, 2457004, 3071255, 3556190, 6142510, 6756761, 7112380, 12285020, 13513522, 27027044, 33783805, 67567610, 135135220]

約数ペア:

[(1, 135135220), (2, 67567610), (4, 33783805), (5, 27027044), (10, 13513522), (11, 12285020), (19, 7112380), (20, 6756761), (22, 6142510), (38, 3556190), (44, 3071255), (55, 2457004), (76, 1778095), (95, 1422476), (110, 1228502), (121, 1116820), (190, 711238), (209, 646580), (220, 614251), (242, 558410), (380, 355619), (418, 323290), (484, 279205), (605, 223364), (836, 161645), (1045, 129316), (1210, 111682), (2090, 64658), (2299, 58780), (2420, 55841), (2939, 45980), (4180, 32329), (4598, 29390), (5878, 22990), (9196, 14695), (11495, 11756)]