28918000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:803

約数の個数: 80

約数和(自身を含む): 73700640

約数和(自身を除く): 44782640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 760, 761, 950, 1000, 1520, 1522, 1900, 2000, 2375, 3044, 3800, 3805, 4750, 6088, 7600, 7610, 9500, 12176, 14459, 15220, 19000, 19025, 28918, 30440, 38000, 38050, 57836, 60880, 72295, 76100, 95125, 115672, 144590, 152200, 190250, 231344, 289180, 304400, 361475, 380500, 578360, 722950, 761000, 1156720, 1445900, 1522000, 1807375, 2891800, 3614750, 5783600, 7229500, 14459000, 28918000]

約数ペア:

[(1, 28918000), (2, 14459000), (4, 7229500), (5, 5783600), (8, 3614750), (10, 2891800), (16, 1807375), (19, 1522000), (20, 1445900), (25, 1156720), (38, 761000), (40, 722950), (50, 578360), (76, 380500), (80, 361475), (95, 304400), (100, 289180), (125, 231344), (152, 190250), (190, 152200), (200, 144590), (250, 115672), (304, 95125), (380, 76100), (400, 72295), (475, 60880), (500, 57836), (760, 38050), (761, 38000), (950, 30440), (1000, 28918), (1520, 19025), (1522, 19000), (1900, 15220), (2000, 14459), (2375, 12176), (3044, 9500), (3800, 7610), (3805, 7600), (4750, 6088)]