2100098140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2311}}^1\times {\mathrm{6491}}^1$

素因数の和:8818

約数の個数: 48

約数和(自身を含む): 5043193344

約数和(自身を除く): 2943095204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2311, 4622, 6491, 9244, 11555, 12982, 16177, 23110, 25964, 32354, 32455, 45437, 46220, 64708, 64910, 80885, 90874, 129820, 161770, 181748, 227185, 323540, 454370, 908740, 15000701, 30001402, 60002804, 75003505, 105004907, 150007010, 210009814, 300014020, 420019628, 525024535, 1050049070, 2100098140]

約数ペア:

[(1, 2100098140), (2, 1050049070), (4, 525024535), (5, 420019628), (7, 300014020), (10, 210009814), (14, 150007010), (20, 105004907), (28, 75003505), (35, 60002804), (70, 30001402), (140, 15000701), (2311, 908740), (4622, 454370), (6491, 323540), (9244, 227185), (11555, 181748), (12982, 161770), (16177, 129820), (23110, 90874), (25964, 80885), (32354, 64910), (32455, 64708), (45437, 46220)]