2019853900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{5939}}^1$

素因数の和:6151

約数の個数: 72

約数和(自身を含む): 4640328000

約数和(自身を除く): 2620474100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 179, 190, 358, 380, 475, 716, 895, 950, 1790, 1900, 3401, 3580, 4475, 5939, 6802, 8950, 11878, 13604, 17005, 17900, 23756, 29695, 34010, 59390, 68020, 85025, 112841, 118780, 148475, 170050, 225682, 296950, 340100, 451364, 564205, 593900, 1063081, 1128410, 2126162, 2256820, 2821025, 4252324, 5315405, 5642050, 10630810, 11284100, 20198539, 21261620, 26577025, 40397078, 53154050, 80794156, 100992695, 106308100, 201985390, 403970780, 504963475, 1009926950, 2019853900]

約数ペア:

[(1, 2019853900), (2, 1009926950), (4, 504963475), (5, 403970780), (10, 201985390), (19, 106308100), (20, 100992695), (25, 80794156), (38, 53154050), (50, 40397078), (76, 26577025), (95, 21261620), (100, 20198539), (179, 11284100), (190, 10630810), (358, 5642050), (380, 5315405), (475, 4252324), (716, 2821025), (895, 2256820), (950, 2126162), (1790, 1128410), (1900, 1063081), (3401, 593900), (3580, 564205), (4475, 451364), (5939, 340100), (6802, 296950), (8950, 225682), (11878, 170050), (13604, 148475), (17005, 118780), (17900, 112841), (23756, 85025), (29695, 68020), (34010, 59390)]