258962840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2153}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 607944960

約数和(自身を除く): 348982120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1940, 2153, 3007, 3880, 4306, 6014, 8612, 10765, 12028, 15035, 17224, 21530, 24056, 30070, 43060, 60140, 66743, 86120, 120280, 133486, 208841, 266972, 333715, 417682, 533944, 667430, 835364, 1044205, 1334860, 1670728, 2088410, 2669720, 4176820, 6474071, 8353640, 12948142, 25896284, 32370355, 51792568, 64740710, 129481420, 258962840]

約数ペア:

[(1, 258962840), (2, 129481420), (4, 64740710), (5, 51792568), (8, 32370355), (10, 25896284), (20, 12948142), (31, 8353640), (40, 6474071), (62, 4176820), (97, 2669720), (124, 2088410), (155, 1670728), (194, 1334860), (248, 1044205), (310, 835364), (388, 667430), (485, 533944), (620, 417682), (776, 333715), (970, 266972), (1240, 208841), (1940, 133486), (2153, 120280), (3007, 86120), (3880, 66743), (4306, 60140), (6014, 43060), (8612, 30070), (10765, 24056), (12028, 21530), (15035, 17224)]