289509090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20063}}^1$

素因数の和:20123

約数の個数: 64

約数和(自身を含む): 768531456

約数和(自身を除く): 479022366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1443, 2405, 2886, 4810, 7215, 14430, 20063, 40126, 60189, 100315, 120378, 200630, 260819, 300945, 521638, 601890, 742331, 782457, 1304095, 1484662, 1564914, 2226993, 2608190, 3711655, 3912285, 4453986, 7423310, 7824570, 9650303, 11134965, 19300606, 22269930, 28950909, 48251515, 57901818, 96503030, 144754545, 289509090]

約数ペア:

[(1, 289509090), (2, 144754545), (3, 96503030), (5, 57901818), (6, 48251515), (10, 28950909), (13, 22269930), (15, 19300606), (26, 11134965), (30, 9650303), (37, 7824570), (39, 7423310), (65, 4453986), (74, 3912285), (78, 3711655), (111, 2608190), (130, 2226993), (185, 1564914), (195, 1484662), (222, 1304095), (370, 782457), (390, 742331), (481, 601890), (555, 521638), (962, 300945), (1110, 260819), (1443, 200630), (2405, 120378), (2886, 100315), (4810, 60189), (7215, 40126), (14430, 20063)]