1639795000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 160

約数和(自身を含む): 4152733200

約数和(自身を除く): 2512938200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 125, 152, 164, 190, 200, 205, 250, 328, 380, 410, 421, 475, 500, 625, 760, 779, 820, 842, 950, 1000, 1025, 1250, 1558, 1640, 1684, 1900, 2050, 2105, 2375, 2500, 3116, 3368, 3800, 3895, 4100, 4210, 4750, 5000, 5125, 6232, 7790, 7999, 8200, 8420, 9500, 10250, 10525, 11875, 15580, 15998, 16840, 17261, 19000, 19475, 20500, 21050, 23750, 25625, 31160, 31996, 34522, 38950, 39995, 41000, 42100, 47500, 51250, 52625, 63992, 69044, 77900, 79990, 84200, 86305, 95000, 97375, 102500, 105250, 138088, 155800, 159980, 172610, 194750, 199975, 205000, 210500, 263125, 319960, 327959, 345220, 389500, 399950, 421000, 431525, 486875, 526250, 655918, 690440, 779000, 799900, 863050, 973750, 999875, 1052500, 1311836, 1599800, 1639795, 1726100, 1947500, 1999750, 2105000, 2157625, 2623672, 3279590, 3452200, 3895000, 3999500, 4315250, 4999375, 6559180, 7999000, 8198975, 8630500, 9998750, 10788125, 13118360, 16397950, 17261000, 19997500, 21576250, 32795900, 39995000, 40994875, 43152500, 65591800, 81989750, 86305000, 163979500, 204974375, 327959000, 409948750, 819897500, 1639795000]

約数ペア:

[(1, 1639795000), (2, 819897500), (4, 409948750), (5, 327959000), (8, 204974375), (10, 163979500), (19, 86305000), (20, 81989750), (25, 65591800), (38, 43152500), (40, 40994875), (41, 39995000), (50, 32795900), (76, 21576250), (82, 19997500), (95, 17261000), (100, 16397950), (125, 13118360), (152, 10788125), (164, 9998750), (190, 8630500), (200, 8198975), (205, 7999000), (250, 6559180), (328, 4999375), (380, 4315250), (410, 3999500), (421, 3895000), (475, 3452200), (500, 3279590), (625, 2623672), (760, 2157625), (779, 2105000), (820, 1999750), (842, 1947500), (950, 1726100), (1000, 1639795), (1025, 1599800), (1250, 1311836), (1558, 1052500), (1640, 999875), (1684, 973750), (1900, 863050), (2050, 799900), (2105, 779000), (2375, 690440), (2500, 655918), (3116, 526250), (3368, 486875), (3800, 431525), (3895, 421000), (4100, 399950), (4210, 389500), (4750, 345220), (5000, 327959), (5125, 319960), (6232, 263125), (7790, 210500), (7999, 205000), (8200, 199975), (8420, 194750), (9500, 172610), (10250, 159980), (10525, 155800), (11875, 138088), (15580, 105250), (15998, 102500), (16840, 97375), (17261, 95000), (19000, 86305), (19475, 84200), (20500, 79990), (21050, 77900), (23750, 69044), (25625, 63992), (31160, 52625), (31996, 51250), (34522, 47500), (38950, 42100), (39995, 41000)]