798721820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2511

約数の個数: 96

約数和(自身を含む): 1910877696

約数和(自身を除く): 1112155876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 62, 65, 82, 124, 130, 155, 164, 205, 260, 310, 403, 410, 533, 620, 806, 820, 1066, 1271, 1612, 2015, 2132, 2417, 2542, 2665, 4030, 4834, 5084, 5330, 6355, 8060, 9668, 10660, 12085, 12710, 16523, 24170, 25420, 31421, 33046, 48340, 62842, 66092, 74927, 82615, 99097, 125684, 149854, 157105, 165230, 198194, 299708, 314210, 330460, 374635, 396388, 495485, 628420, 749270, 974051, 990970, 1288261, 1498540, 1948102, 1981940, 2576522, 3072007, 3896204, 4870255, 5153044, 6144014, 6441305, 9740510, 12288028, 12882610, 15360035, 19481020, 25765220, 30720070, 39936091, 61440140, 79872182, 159744364, 199680455, 399360910, 798721820]

約数ペア:

[(1, 798721820), (2, 399360910), (4, 199680455), (5, 159744364), (10, 79872182), (13, 61440140), (20, 39936091), (26, 30720070), (31, 25765220), (41, 19481020), (52, 15360035), (62, 12882610), (65, 12288028), (82, 9740510), (124, 6441305), (130, 6144014), (155, 5153044), (164, 4870255), (205, 3896204), (260, 3072007), (310, 2576522), (403, 1981940), (410, 1948102), (533, 1498540), (620, 1288261), (806, 990970), (820, 974051), (1066, 749270), (1271, 628420), (1612, 495485), (2015, 396388), (2132, 374635), (2417, 330460), (2542, 314210), (2665, 299708), (4030, 198194), (4834, 165230), (5084, 157105), (5330, 149854), (6355, 125684), (8060, 99097), (9668, 82615), (10660, 74927), (12085, 66092), (12710, 62842), (16523, 48340), (24170, 33046), (25420, 31421)]