210877990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{2441}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 389274336

約数和(自身を除く): 178396346

約数列:

[1, 2, 5, 10, 53, 106, 163, 265, 326, 530, 815, 1630, 2441, 4882, 8639, 12205, 17278, 24410, 43195, 86390, 129373, 258746, 397883, 646865, 795766, 1293730, 1989415, 3978830, 21087799, 42175598, 105438995, 210877990]

約数ペア:

[(1, 210877990), (2, 105438995), (5, 42175598), (10, 21087799), (53, 3978830), (106, 1989415), (163, 1293730), (265, 795766), (326, 646865), (530, 397883), (815, 258746), (1630, 129373), (2441, 86390), (4882, 43195), (8639, 24410), (12205, 17278)]