211676891420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1\times {\mathrm{2221}}^1$

素因数の和:3051

約数の個数: 96

約数和(自身を含む): 461429692416

約数和(自身を除く): 249752800996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 347, 443, 620, 694, 886, 1388, 1735, 1772, 2215, 2221, 3470, 4430, 4442, 6940, 8860, 8884, 10757, 11105, 13733, 21514, 22210, 27466, 43028, 44420, 53785, 54932, 68665, 68851, 107570, 137330, 137702, 153721, 215140, 274660, 275404, 307442, 344255, 614884, 688510, 768605, 770687, 983903, 1377020, 1537210, 1541374, 1967806, 3074420, 3082748, 3853435, 3935612, 4765351, 4919515, 7706870, 9530702, 9839030, 15413740, 19061404, 19678060, 23826755, 23891297, 30500993, 47653510, 47782594, 61001986, 95307020, 95565188, 119456485, 122003972, 152504965, 238912970, 305009930, 341414341, 477825940, 610019860, 682828682, 1365657364, 1707071705, 3414143410, 6828286820, 10583844571, 21167689142, 42335378284, 52919222855, 105838445710, 211676891420]

約数ペア:

[(1, 211676891420), (2, 105838445710), (4, 52919222855), (5, 42335378284), (10, 21167689142), (20, 10583844571), (31, 6828286820), (62, 3414143410), (124, 1707071705), (155, 1365657364), (310, 682828682), (347, 610019860), (443, 477825940), (620, 341414341), (694, 305009930), (886, 238912970), (1388, 152504965), (1735, 122003972), (1772, 119456485), (2215, 95565188), (2221, 95307020), (3470, 61001986), (4430, 47782594), (4442, 47653510), (6940, 30500993), (8860, 23891297), (8884, 23826755), (10757, 19678060), (11105, 19061404), (13733, 15413740), (21514, 9839030), (22210, 9530702), (27466, 7706870), (43028, 4919515), (44420, 4765351), (53785, 3935612), (54932, 3853435), (68665, 3082748), (68851, 3074420), (107570, 1967806), (137330, 1541374), (137702, 1537210), (153721, 1377020), (215140, 983903), (274660, 770687), (275404, 768605), (307442, 688510), (344255, 614884)]