408980900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2129}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 948454920

約数和(自身を除く): 539474020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 113, 170, 226, 340, 425, 452, 565, 850, 1130, 1700, 1921, 2129, 2260, 2825, 3842, 4258, 5650, 7684, 8516, 9605, 10645, 11300, 19210, 21290, 36193, 38420, 42580, 48025, 53225, 72386, 96050, 106450, 144772, 180965, 192100, 212900, 240577, 361930, 481154, 723860, 904825, 962308, 1202885, 1809650, 2405770, 3619300, 4089809, 4811540, 6014425, 8179618, 12028850, 16359236, 20449045, 24057700, 40898090, 81796180, 102245225, 204490450, 408980900]

約数ペア:

[(1, 408980900), (2, 204490450), (4, 102245225), (5, 81796180), (10, 40898090), (17, 24057700), (20, 20449045), (25, 16359236), (34, 12028850), (50, 8179618), (68, 6014425), (85, 4811540), (100, 4089809), (113, 3619300), (170, 2405770), (226, 1809650), (340, 1202885), (425, 962308), (452, 904825), (565, 723860), (850, 481154), (1130, 361930), (1700, 240577), (1921, 212900), (2129, 192100), (2260, 180965), (2825, 144772), (3842, 106450), (4258, 96050), (5650, 72386), (7684, 53225), (8516, 48025), (9605, 42580), (10645, 38420), (11300, 36193), (19210, 21290)]