215389890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{125959}}^1$

素因数の和:125991

約数の個数: 48

約数和(自身を含む): 589492800

約数和(自身を除く): 374102910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 125959, 251918, 377877, 629795, 755754, 1133631, 1259590, 1889385, 2267262, 2393221, 3778770, 4786442, 5668155, 7179663, 11336310, 11966105, 14359326, 21538989, 23932210, 35898315, 43077978, 71796630, 107694945, 215389890]

約数ペア:

[(1, 215389890), (2, 107694945), (3, 71796630), (5, 43077978), (6, 35898315), (9, 23932210), (10, 21538989), (15, 14359326), (18, 11966105), (19, 11336310), (30, 7179663), (38, 5668155), (45, 4786442), (57, 3778770), (90, 2393221), (95, 2267262), (114, 1889385), (171, 1259590), (190, 1133631), (285, 755754), (342, 629795), (570, 377877), (855, 251918), (1710, 125959)]