220123684

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 463325184

約数和(自身を除く): 243201500

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 121, 124, 187, 242, 341, 374, 484, 527, 682, 748, 863, 1054, 1364, 1726, 2057, 2108, 3452, 3751, 4114, 5797, 7502, 8228, 9493, 11594, 14671, 15004, 18986, 23188, 26753, 29342, 37972, 53506, 58684, 63767, 104423, 107012, 127534, 161381, 208846, 255068, 294283, 322762, 417692, 454801, 588566, 645524, 909602, 1177132, 1775191, 1819204, 3237113, 3550382, 5002811, 6474226, 7100764, 10005622, 12948452, 20011244, 55030921, 110061842, 220123684]

約数ペア:

[(1, 220123684), (2, 110061842), (4, 55030921), (11, 20011244), (17, 12948452), (22, 10005622), (31, 7100764), (34, 6474226), (44, 5002811), (62, 3550382), (68, 3237113), (121, 1819204), (124, 1775191), (187, 1177132), (242, 909602), (341, 645524), (374, 588566), (484, 454801), (527, 417692), (682, 322762), (748, 294283), (863, 255068), (1054, 208846), (1364, 161381), (1726, 127534), (2057, 107012), (2108, 104423), (3452, 63767), (3751, 58684), (4114, 53506), (5797, 37972), (7502, 29342), (8228, 26753), (9493, 23188), (11594, 18986), (14671, 15004)]