1994738560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4080

約数の個数: 128

約数和(自身を含む): 5143370400

約数和(自身を除く): 3148631840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1312, 1520, 1558, 1640, 2432, 2624, 3040, 3116, 3280, 3895, 4001, 5248, 6080, 6232, 6560, 7790, 8002, 12160, 12464, 13120, 15580, 16004, 20005, 24928, 26240, 31160, 32008, 40010, 49856, 62320, 64016, 76019, 80020, 99712, 124640, 128032, 152038, 160040, 164041, 249280, 256064, 304076, 320080, 328082, 380095, 498560, 512128, 608152, 640160, 656164, 760190, 820205, 1216304, 1280320, 1312328, 1520380, 1640410, 2432608, 2560640, 2624656, 3040760, 3116779, 3280820, 4865216, 5249312, 6081520, 6233558, 6561640, 9730432, 10498624, 12163040, 12467116, 13123280, 15583895, 20997248, 24326080, 24934232, 26246560, 31167790, 48652160, 49868464, 52493120, 62335580, 99736928, 104986240, 124671160, 199473856, 249342320, 398947712, 498684640, 997369280, 1994738560]

約数ペア:

[(1, 1994738560), (2, 997369280), (4, 498684640), (5, 398947712), (8, 249342320), (10, 199473856), (16, 124671160), (19, 104986240), (20, 99736928), (32, 62335580), (38, 52493120), (40, 49868464), (41, 48652160), (64, 31167790), (76, 26246560), (80, 24934232), (82, 24326080), (95, 20997248), (128, 15583895), (152, 13123280), (160, 12467116), (164, 12163040), (190, 10498624), (205, 9730432), (304, 6561640), (320, 6233558), (328, 6081520), (380, 5249312), (410, 4865216), (608, 3280820), (640, 3116779), (656, 3040760), (760, 2624656), (779, 2560640), (820, 2432608), (1216, 1640410), (1312, 1520380), (1520, 1312328), (1558, 1280320), (1640, 1216304), (2432, 820205), (2624, 760190), (3040, 656164), (3116, 640160), (3280, 608152), (3895, 512128), (4001, 498560), (5248, 380095), (6080, 328082), (6232, 320080), (6560, 304076), (7790, 256064), (8002, 249280), (12160, 164041), (12464, 160040), (13120, 152038), (15580, 128032), (16004, 124640), (20005, 99712), (24928, 80020), (26240, 76019), (31160, 64016), (32008, 62320), (40010, 49856)]