287996820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2311}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 845193216

約数和(自身を除く): 557196396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 67, 93, 124, 134, 155, 186, 201, 268, 310, 335, 372, 402, 465, 620, 670, 804, 930, 1005, 1340, 1860, 2010, 2077, 2311, 4020, 4154, 4622, 6231, 6933, 8308, 9244, 10385, 11555, 12462, 13866, 20770, 23110, 24924, 27732, 31155, 34665, 41540, 46220, 62310, 69330, 71641, 124620, 138660, 143282, 154837, 214923, 286564, 309674, 358205, 429846, 464511, 619348, 716410, 774185, 859692, 929022, 1074615, 1432820, 1548370, 1858044, 2149230, 2322555, 3096740, 4298460, 4645110, 4799947, 9290220, 9599894, 14399841, 19199788, 23999735, 28799682, 47999470, 57599364, 71999205, 95998940, 143998410, 287996820]

約数ペア:

[(1, 287996820), (2, 143998410), (3, 95998940), (4, 71999205), (5, 57599364), (6, 47999470), (10, 28799682), (12, 23999735), (15, 19199788), (20, 14399841), (30, 9599894), (31, 9290220), (60, 4799947), (62, 4645110), (67, 4298460), (93, 3096740), (124, 2322555), (134, 2149230), (155, 1858044), (186, 1548370), (201, 1432820), (268, 1074615), (310, 929022), (335, 859692), (372, 774185), (402, 716410), (465, 619348), (620, 464511), (670, 429846), (804, 358205), (930, 309674), (1005, 286564), (1340, 214923), (1860, 154837), (2010, 143282), (2077, 138660), (2311, 124620), (4020, 71641), (4154, 69330), (4622, 62310), (6231, 46220), (6933, 41540), (8308, 34665), (9244, 31155), (10385, 27732), (11555, 24924), (12462, 23110), (13866, 20770)]