1211320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2753}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 2974320

約数和(自身を除く): 1763000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2753, 5506, 11012, 13765, 22024, 27530, 30283, 55060, 60566, 110120, 121132, 151415, 242264, 302830, 605660, 1211320]

約数ペア:

[(1, 1211320), (2, 605660), (4, 302830), (5, 242264), (8, 151415), (10, 121132), (11, 110120), (20, 60566), (22, 55060), (40, 30283), (44, 27530), (55, 22024), (88, 13765), (110, 11012), (220, 5506), (440, 2753)]