74005000

素因数分解:

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

素因数の和:105

約数の個数: 120

約数和(自身を含む): 187463430

約数和(自身を除く): 113458430

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, 361, 380, 410, 475, 500, 625, 722, 760, 779, 820, 950, 1000, 1025, 1250, 1444, 1558, 1640, 1805, 1900, 2050, 2375, 2500, 2888, 3116, 3610, 3800, 3895, 4100, 4750, 5000, 5125, 6232, 7220, 7790, 8200, 9025, 9500, 10250, 11875, 14440, 14801, 15580, 18050, 19000, 19475, 20500, 23750, 25625, 29602, 31160, 36100, 38950, 41000, 45125, 47500, 51250, 59204, 72200, 74005, 77900, 90250, 95000, 97375, 102500, 118408, 148010, 155800, 180500, 194750, 205000, 225625, 296020, 361000, 370025, 389500, 451250, 486875, 592040, 740050, 779000, 902500, 973750, 1480100, 1805000, 1850125, 1947500, 2960200, 3700250, 3895000, 7400500, 9250625, 14801000, 18501250, 37002500, 74005000]

約数ペア:

[(1, 74005000), (2, 37002500), (4, 18501250), (5, 14801000), (8, 9250625), (10, 7400500), (19, 3895000), (20, 3700250), (25, 2960200), (38, 1947500), (40, 1850125), (41, 1805000), (50, 1480100), (76, 973750), (82, 902500), (95, 779000), (100, 740050), (125, 592040), (152, 486875), (164, 451250), (190, 389500), (200, 370025), (205, 361000), (250, 296020), (328, 225625), (361, 205000), (380, 194750), (410, 180500), (475, 155800), (500, 148010), (625, 118408), (722, 102500), (760, 97375), (779, 95000), (820, 90250), (950, 77900), (1000, 74005), (1025, 72200), (1250, 59204), (1444, 51250), (1558, 47500), (1640, 45125), (1805, 41000), (1900, 38950), (2050, 36100), (2375, 31160), (2500, 29602), (2888, 25625), (3116, 23750), (3610, 20500), (3800, 19475), (3895, 19000), (4100, 18050), (4750, 15580), (5000, 14801), (5125, 14440), (6232, 11875), (7220, 10250), (7790, 9500), (8200, 9025)]