211907000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^2\times {\mathrm{587}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 524225520

約数和(自身を除く): 312318520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 361, 380, 475, 500, 587, 722, 760, 950, 1000, 1174, 1444, 1805, 1900, 2348, 2375, 2888, 2935, 3610, 3800, 4696, 4750, 5870, 7220, 9025, 9500, 11153, 11740, 14440, 14675, 18050, 19000, 22306, 23480, 29350, 36100, 44612, 45125, 55765, 58700, 72200, 73375, 89224, 90250, 111530, 117400, 146750, 180500, 211907, 223060, 278825, 293500, 361000, 423814, 446120, 557650, 587000, 847628, 1059535, 1115300, 1394125, 1695256, 2119070, 2230600, 2788250, 4238140, 5297675, 5576500, 8476280, 10595350, 11153000, 21190700, 26488375, 42381400, 52976750, 105953500, 211907000]

約数ペア:

[(1, 211907000), (2, 105953500), (4, 52976750), (5, 42381400), (8, 26488375), (10, 21190700), (19, 11153000), (20, 10595350), (25, 8476280), (38, 5576500), (40, 5297675), (50, 4238140), (76, 2788250), (95, 2230600), (100, 2119070), (125, 1695256), (152, 1394125), (190, 1115300), (200, 1059535), (250, 847628), (361, 587000), (380, 557650), (475, 446120), (500, 423814), (587, 361000), (722, 293500), (760, 278825), (950, 223060), (1000, 211907), (1174, 180500), (1444, 146750), (1805, 117400), (1900, 111530), (2348, 90250), (2375, 89224), (2888, 73375), (2935, 72200), (3610, 58700), (3800, 55765), (4696, 45125), (4750, 44612), (5870, 36100), (7220, 29350), (9025, 23480), (9500, 22306), (11153, 19000), (11740, 18050), (14440, 14675)]