840091390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1\times {\mathrm{1607}}^1$

素因数の和:2532

約数の個数: 32

約数和(自身を含む): 1539705024

約数和(自身を除く): 699613634

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 857, 1607, 1714, 3214, 4285, 8035, 8570, 16070, 52277, 98027, 104554, 196054, 261385, 490135, 522770, 980270, 1377199, 2754398, 6885995, 13771990, 84009139, 168018278, 420045695, 840091390]

約数ペア:

[(1, 840091390), (2, 420045695), (5, 168018278), (10, 84009139), (61, 13771990), (122, 6885995), (305, 2754398), (610, 1377199), (857, 980270), (1607, 522770), (1714, 490135), (3214, 261385), (4285, 196054), (8035, 104554), (8570, 98027), (16070, 52277)]