163979500

素因数分解:

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

素因数の和:500

約数の個数: 96

約数和(自身を含む): 387092160

約数和(自身を除く): 223112660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 125, 164, 190, 205, 250, 380, 410, 421, 475, 500, 779, 820, 842, 950, 1025, 1558, 1684, 1900, 2050, 2105, 2375, 3116, 3895, 4100, 4210, 4750, 5125, 7790, 7999, 8420, 9500, 10250, 10525, 15580, 15998, 17261, 19475, 20500, 21050, 31996, 34522, 38950, 39995, 42100, 52625, 69044, 77900, 79990, 86305, 97375, 105250, 159980, 172610, 194750, 199975, 210500, 327959, 345220, 389500, 399950, 431525, 655918, 799900, 863050, 999875, 1311836, 1639795, 1726100, 1999750, 2157625, 3279590, 3999500, 4315250, 6559180, 8198975, 8630500, 16397950, 32795900, 40994875, 81989750, 163979500]

約数ペア:

[(1, 163979500), (2, 81989750), (4, 40994875), (5, 32795900), (10, 16397950), (19, 8630500), (20, 8198975), (25, 6559180), (38, 4315250), (41, 3999500), (50, 3279590), (76, 2157625), (82, 1999750), (95, 1726100), (100, 1639795), (125, 1311836), (164, 999875), (190, 863050), (205, 799900), (250, 655918), (380, 431525), (410, 399950), (421, 389500), (475, 345220), (500, 327959), (779, 210500), (820, 199975), (842, 194750), (950, 172610), (1025, 159980), (1558, 105250), (1684, 97375), (1900, 86305), (2050, 79990), (2105, 77900), (2375, 69044), (3116, 52625), (3895, 42100), (4100, 39995), (4210, 38950), (4750, 34522), (5125, 31996), (7790, 21050), (7999, 20500), (8420, 19475), (9500, 17261), (10250, 15998), (10525, 15580)]