28398700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2347}}^1$

素因数の和:2383

約数の個数: 54

約数和(自身を含む): 67765628

約数和(自身を除く): 39366928

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2347, 2420, 3025, 4694, 6050, 9388, 11735, 12100, 23470, 25817, 46940, 51634, 58675, 103268, 117350, 129085, 234700, 258170, 283987, 516340, 567974, 645425, 1135948, 1290850, 1419935, 2581700, 2839870, 5679740, 7099675, 14199350, 28398700]

約数ペア:

[(1, 28398700), (2, 14199350), (4, 7099675), (5, 5679740), (10, 2839870), (11, 2581700), (20, 1419935), (22, 1290850), (25, 1135948), (44, 645425), (50, 567974), (55, 516340), (100, 283987), (110, 258170), (121, 234700), (220, 129085), (242, 117350), (275, 103268), (484, 58675), (550, 51634), (605, 46940), (1100, 25817), (1210, 23470), (2347, 12100), (2420, 11735), (3025, 9388), (4694, 6050)]