268540910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1401

約数の個数: 64

約数和(自身を含む): 553678848

約数和(自身を除く): 285137938

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 61, 62, 110, 122, 155, 305, 310, 341, 610, 671, 682, 1291, 1342, 1705, 1891, 2582, 3355, 3410, 3782, 6455, 6710, 9455, 12910, 14201, 18910, 20801, 28402, 40021, 41602, 71005, 78751, 80042, 104005, 142010, 157502, 200105, 208010, 393755, 400210, 440231, 787510, 866261, 880462, 1732522, 2201155, 2441281, 4331305, 4402310, 4882562, 8662610, 12206405, 24412810, 26854091, 53708182, 134270455, 268540910]

約数ペア:

[(1, 268540910), (2, 134270455), (5, 53708182), (10, 26854091), (11, 24412810), (22, 12206405), (31, 8662610), (55, 4882562), (61, 4402310), (62, 4331305), (110, 2441281), (122, 2201155), (155, 1732522), (305, 880462), (310, 866261), (341, 787510), (610, 440231), (671, 400210), (682, 393755), (1291, 208010), (1342, 200105), (1705, 157502), (1891, 142010), (2582, 104005), (3355, 80042), (3410, 78751), (3782, 71005), (6455, 41602), (6710, 40021), (9455, 28402), (12910, 20801), (14201, 18910)]