278444660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{36929}}^1$

素因数の和:36980

約数の個数: 48

約数和(自身を含む): 651445200

約数和(自身を除く): 373000540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 36929, 73858, 147716, 184645, 369290, 480077, 738580, 960154, 1070941, 1920308, 2141882, 2400385, 4283764, 4800770, 5354705, 9601540, 10709410, 13922233, 21418820, 27844466, 55688932, 69611165, 139222330, 278444660]

約数ペア:

[(1, 278444660), (2, 139222330), (4, 69611165), (5, 55688932), (10, 27844466), (13, 21418820), (20, 13922233), (26, 10709410), (29, 9601540), (52, 5354705), (58, 4800770), (65, 4283764), (116, 2400385), (130, 2141882), (145, 1920308), (260, 1070941), (290, 960154), (377, 738580), (580, 480077), (754, 369290), (1508, 184645), (1885, 147716), (3770, 73858), (7540, 36929)]