205670000

素因数分解:

$2^4\times 5^4\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 100

約数和(自身を含む): 504944616

約数和(自身を除く): 299274616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 157, 200, 250, 262, 314, 400, 500, 524, 625, 628, 655, 785, 1000, 1048, 1250, 1256, 1310, 1570, 2000, 2096, 2500, 2512, 2620, 3140, 3275, 3925, 5000, 5240, 6280, 6550, 7850, 10000, 10480, 12560, 13100, 15700, 16375, 19625, 20567, 26200, 31400, 32750, 39250, 41134, 52400, 62800, 65500, 78500, 81875, 82268, 98125, 102835, 131000, 157000, 163750, 164536, 196250, 205670, 262000, 314000, 327500, 329072, 392500, 411340, 514175, 655000, 785000, 822680, 1028350, 1310000, 1570000, 1645360, 2056700, 2570875, 4113400, 5141750, 8226800, 10283500, 12854375, 20567000, 25708750, 41134000, 51417500, 102835000, 205670000]

約数ペア:

[(1, 205670000), (2, 102835000), (4, 51417500), (5, 41134000), (8, 25708750), (10, 20567000), (16, 12854375), (20, 10283500), (25, 8226800), (40, 5141750), (50, 4113400), (80, 2570875), (100, 2056700), (125, 1645360), (131, 1570000), (157, 1310000), (200, 1028350), (250, 822680), (262, 785000), (314, 655000), (400, 514175), (500, 411340), (524, 392500), (625, 329072), (628, 327500), (655, 314000), (785, 262000), (1000, 205670), (1048, 196250), (1250, 164536), (1256, 163750), (1310, 157000), (1570, 131000), (2000, 102835), (2096, 98125), (2500, 82268), (2512, 81875), (2620, 78500), (3140, 65500), (3275, 62800), (3925, 52400), (5000, 41134), (5240, 39250), (6280, 32750), (6550, 31400), (7850, 26200), (10000, 20567), (10480, 19625), (12560, 16375), (13100, 15700)]