389606140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8161}}^1$

素因数の和:8219

約数の個数: 96

約数和(自身を含む): 1053093888

約数和(自身を除く): 663487748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 4340, 4774, 6820, 8161, 9548, 11935, 16322, 23870, 32644, 40805, 47740, 57127, 81610, 89771, 114254, 163220, 179542, 228508, 252991, 285635, 359084, 448855, 505982, 571270, 628397, 897710, 1011964, 1142540, 1256794, 1264955, 1770937, 1795420, 2513588, 2529910, 2782901, 3141985, 3541874, 5059820, 5565802, 6283970, 7083748, 8854685, 11131604, 12567940, 13914505, 17709370, 19480307, 27829010, 35418740, 38960614, 55658020, 77921228, 97401535, 194803070, 389606140]

約数ペア:

[(1, 389606140), (2, 194803070), (4, 97401535), (5, 77921228), (7, 55658020), (10, 38960614), (11, 35418740), (14, 27829010), (20, 19480307), (22, 17709370), (28, 13914505), (31, 12567940), (35, 11131604), (44, 8854685), (55, 7083748), (62, 6283970), (70, 5565802), (77, 5059820), (110, 3541874), (124, 3141985), (140, 2782901), (154, 2529910), (155, 2513588), (217, 1795420), (220, 1770937), (308, 1264955), (310, 1256794), (341, 1142540), (385, 1011964), (434, 897710), (620, 628397), (682, 571270), (770, 505982), (868, 448855), (1085, 359084), (1364, 285635), (1540, 252991), (1705, 228508), (2170, 179542), (2387, 163220), (3410, 114254), (4340, 89771), (4774, 81610), (6820, 57127), (8161, 47740), (9548, 40805), (11935, 32644), (16322, 23870)]