978030625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 1486324224

約数和(自身を除く): 508293599

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 125, 143, 155, 275, 325, 341, 353, 403, 625, 715, 775, 1375, 1625, 1705, 1765, 2015, 3575, 3875, 3883, 4433, 4589, 6875, 8125, 8525, 8825, 10075, 10943, 17875, 19375, 19415, 22165, 22945, 42625, 44125, 50375, 50479, 54715, 89375, 97075, 110825, 114725, 120373, 142259, 213125, 220625, 251875, 252395, 273575, 485375, 554125, 573625, 601865, 711295, 1261975, 1367875, 1564849, 2426875, 2770625, 2868125, 3009325, 3556475, 6309875, 6839375, 7824245, 15046625, 17782375, 31549375, 39121225, 75233125, 88911875, 195606125, 978030625]

約数ペア:

[(1, 978030625), (5, 195606125), (11, 88911875), (13, 75233125), (25, 39121225), (31, 31549375), (55, 17782375), (65, 15046625), (125, 7824245), (143, 6839375), (155, 6309875), (275, 3556475), (325, 3009325), (341, 2868125), (353, 2770625), (403, 2426875), (625, 1564849), (715, 1367875), (775, 1261975), (1375, 711295), (1625, 601865), (1705, 573625), (1765, 554125), (2015, 485375), (3575, 273575), (3875, 252395), (3883, 251875), (4433, 220625), (4589, 213125), (6875, 142259), (8125, 120373), (8525, 114725), (8825, 110825), (10075, 97075), (10943, 89375), (17875, 54715), (19375, 50479), (19415, 50375), (22165, 44125), (22945, 42625)]