2800380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4243}}^1$

素因数の和:4266

約数の個数: 48

約数和(自身を含む): 8555904

約数和(自身を除く): 5755524

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 4243, 8486, 12729, 16972, 21215, 25458, 42430, 46673, 50916, 63645, 84860, 93346, 127290, 140019, 186692, 233365, 254580, 280038, 466730, 560076, 700095, 933460, 1400190, 2800380]

約数ペア:

[(1, 2800380), (2, 1400190), (3, 933460), (4, 700095), (5, 560076), (6, 466730), (10, 280038), (11, 254580), (12, 233365), (15, 186692), (20, 140019), (22, 127290), (30, 93346), (33, 84860), (44, 63645), (55, 50916), (60, 46673), (66, 42430), (110, 25458), (132, 21215), (165, 16972), (220, 12729), (330, 8486), (660, 4243)]