40804940246

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{20789}}^1$

素因数の和:21021

約数の個数: 64

約数和(自身を含む): 75682252800

約数和(自身を除く): 34877312554

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 157, 266, 314, 329, 658, 893, 1099, 1786, 2198, 2983, 5966, 6251, 7379, 12502, 14758, 20789, 20881, 41578, 41762, 51653, 103306, 140201, 145523, 280402, 291046, 394991, 789982, 977083, 981407, 1954166, 1962814, 2764937, 3263873, 5529874, 6527746, 6839581, 13679162, 18564577, 22847111, 37129154, 45694222, 62013587, 124027174, 129952039, 153402031, 259904078, 306804062, 434095109, 868190218, 1073814217, 2147628434, 2914638589, 5829277178, 20402470123, 40804940246]

約数ペア:

[(1, 40804940246), (2, 20402470123), (7, 5829277178), (14, 2914638589), (19, 2147628434), (38, 1073814217), (47, 868190218), (94, 434095109), (133, 306804062), (157, 259904078), (266, 153402031), (314, 129952039), (329, 124027174), (658, 62013587), (893, 45694222), (1099, 37129154), (1786, 22847111), (2198, 18564577), (2983, 13679162), (5966, 6839581), (6251, 6527746), (7379, 5529874), (12502, 3263873), (14758, 2764937), (20789, 1962814), (20881, 1954166), (41578, 981407), (41762, 977083), (51653, 789982), (103306, 394991), (140201, 291046), (145523, 280402)]