197248780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 423198720

約数和(自身を除く): 225949940

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 635, 790, 983, 1270, 1580, 1966, 2540, 3932, 4915, 9830, 10033, 19660, 20066, 40132, 50165, 77657, 100330, 124841, 155314, 200660, 249682, 310628, 388285, 499364, 624205, 776570, 1248410, 1553140, 2496820, 9862439, 19724878, 39449756, 49312195, 98624390, 197248780]

約数ペア:

[(1, 197248780), (2, 98624390), (4, 49312195), (5, 39449756), (10, 19724878), (20, 9862439), (79, 2496820), (127, 1553140), (158, 1248410), (254, 776570), (316, 624205), (395, 499364), (508, 388285), (635, 310628), (790, 249682), (983, 200660), (1270, 155314), (1580, 124841), (1966, 100330), (2540, 77657), (3932, 50165), (4915, 40132), (9830, 20066), (10033, 19660)]