21167339500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{5879}}^1$

素因数の和:6296

約数の個数: 96

約数和(自身を含む): 48799296000

約数和(自身を除く): 27631956500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 379, 380, 475, 500, 758, 950, 1516, 1895, 1900, 2375, 3790, 4750, 5879, 7201, 7580, 9475, 9500, 11758, 14402, 18950, 23516, 28804, 29395, 36005, 37900, 47375, 58790, 72010, 94750, 111701, 117580, 144020, 146975, 180025, 189500, 223402, 293950, 360050, 446804, 558505, 587900, 720100, 734875, 900125, 1117010, 1469750, 1800250, 2228141, 2234020, 2792525, 2939500, 3600500, 4456282, 5585050, 8912564, 11140705, 11170100, 13962625, 22281410, 27925250, 42334679, 44562820, 55703525, 55850500, 84669358, 111407050, 169338716, 211673395, 222814100, 278517625, 423346790, 557035250, 846693580, 1058366975, 1114070500, 2116733950, 4233467900, 5291834875, 10583669750, 21167339500]

約数ペア:

[(1, 21167339500), (2, 10583669750), (4, 5291834875), (5, 4233467900), (10, 2116733950), (19, 1114070500), (20, 1058366975), (25, 846693580), (38, 557035250), (50, 423346790), (76, 278517625), (95, 222814100), (100, 211673395), (125, 169338716), (190, 111407050), (250, 84669358), (379, 55850500), (380, 55703525), (475, 44562820), (500, 42334679), (758, 27925250), (950, 22281410), (1516, 13962625), (1895, 11170100), (1900, 11140705), (2375, 8912564), (3790, 5585050), (4750, 4456282), (5879, 3600500), (7201, 2939500), (7580, 2792525), (9475, 2234020), (9500, 2228141), (11758, 1800250), (14402, 1469750), (18950, 1117010), (23516, 900125), (28804, 734875), (29395, 720100), (36005, 587900), (37900, 558505), (47375, 446804), (58790, 360050), (72010, 293950), (94750, 223402), (111701, 189500), (117580, 180025), (144020, 146975)]