20190900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 64120896

約数和(自身を除く): 43929996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 37, 50, 51, 60, 68, 74, 75, 85, 100, 102, 107, 111, 148, 150, 170, 185, 204, 214, 222, 255, 300, 321, 340, 370, 425, 428, 444, 510, 535, 555, 629, 642, 740, 850, 925, 1020, 1070, 1110, 1258, 1275, 1284, 1605, 1700, 1819, 1850, 1887, 2140, 2220, 2516, 2550, 2675, 2775, 3145, 3210, 3638, 3700, 3774, 3959, 5100, 5350, 5457, 5550, 6290, 6420, 7276, 7548, 7918, 8025, 9095, 9435, 10700, 10914, 11100, 11877, 12580, 15725, 15836, 16050, 18190, 18870, 19795, 21828, 23754, 27285, 31450, 32100, 36380, 37740, 39590, 45475, 47175, 47508, 54570, 59385, 62900, 67303, 79180, 90950, 94350, 98975, 109140, 118770, 134606, 136425, 181900, 188700, 197950, 201909, 237540, 269212, 272850, 296925, 336515, 395900, 403818, 545700, 593850, 673030, 807636, 1009545, 1187700, 1346060, 1682575, 2019090, 3365150, 4038180, 5047725, 6730300, 10095450, 20190900]

約数ペア:

[(1, 20190900), (2, 10095450), (3, 6730300), (4, 5047725), (5, 4038180), (6, 3365150), (10, 2019090), (12, 1682575), (15, 1346060), (17, 1187700), (20, 1009545), (25, 807636), (30, 673030), (34, 593850), (37, 545700), (50, 403818), (51, 395900), (60, 336515), (68, 296925), (74, 272850), (75, 269212), (85, 237540), (100, 201909), (102, 197950), (107, 188700), (111, 181900), (148, 136425), (150, 134606), (170, 118770), (185, 109140), (204, 98975), (214, 94350), (222, 90950), (255, 79180), (300, 67303), (321, 62900), (340, 59385), (370, 54570), (425, 47508), (428, 47175), (444, 45475), (510, 39590), (535, 37740), (555, 36380), (629, 32100), (642, 31450), (740, 27285), (850, 23754), (925, 21828), (1020, 19795), (1070, 18870), (1110, 18190), (1258, 16050), (1275, 15836), (1284, 15725), (1605, 12580), (1700, 11877), (1819, 11100), (1850, 10914), (1887, 10700), (2140, 9435), (2220, 9095), (2516, 8025), (2550, 7918), (2675, 7548), (2775, 7276), (3145, 6420), (3210, 6290), (3638, 5550), (3700, 5457), (3774, 5350), (3959, 5100)]