31302260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 72116352

約数和(自身を除く): 40814092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 541, 1052, 1082, 1315, 2164, 2630, 2705, 2893, 5260, 5410, 5786, 5951, 10820, 11572, 11902, 14465, 23804, 28930, 29755, 57860, 59510, 119020, 142283, 284566, 569132, 711415, 1422830, 1565113, 2845660, 3130226, 6260452, 7825565, 15651130, 31302260]

約数ペア:

[(1, 31302260), (2, 15651130), (4, 7825565), (5, 6260452), (10, 3130226), (11, 2845660), (20, 1565113), (22, 1422830), (44, 711415), (55, 569132), (110, 284566), (220, 142283), (263, 119020), (526, 59510), (541, 57860), (1052, 29755), (1082, 28930), (1315, 23804), (2164, 14465), (2630, 11902), (2705, 11572), (2893, 10820), (5260, 5951), (5410, 5786)]