207856220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6607}}^1$

素因数の和:6651

約数の個数: 72

約数和(自身を含む): 516772032

約数和(自身を除く): 308915812

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 6607, 7865, 13214, 15730, 26428, 31460, 33035, 66070, 72677, 85891, 132140, 145354, 171782, 290708, 343564, 363385, 429455, 726770, 799447, 858910, 944801, 1453540, 1598894, 1717820, 1889602, 3197788, 3779204, 3997235, 4724005, 7994470, 9448010, 10392811, 15988940, 18896020, 20785622, 41571244, 51964055, 103928110, 207856220]

約数ペア:

[(1, 207856220), (2, 103928110), (4, 51964055), (5, 41571244), (10, 20785622), (11, 18896020), (13, 15988940), (20, 10392811), (22, 9448010), (26, 7994470), (44, 4724005), (52, 3997235), (55, 3779204), (65, 3197788), (110, 1889602), (121, 1717820), (130, 1598894), (143, 1453540), (220, 944801), (242, 858910), (260, 799447), (286, 726770), (484, 429455), (572, 363385), (605, 343564), (715, 290708), (1210, 171782), (1430, 145354), (1573, 132140), (2420, 85891), (2860, 72677), (3146, 66070), (6292, 33035), (6607, 31460), (7865, 26428), (13214, 15730)]