397564420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 938044800

約数和(自身を除く): 540480380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 109, 110, 118, 218, 220, 236, 281, 295, 436, 545, 562, 590, 649, 1090, 1124, 1180, 1199, 1298, 1405, 2180, 2398, 2596, 2810, 3091, 3245, 4796, 5620, 5995, 6182, 6431, 6490, 11990, 12364, 12862, 12980, 15455, 16579, 23980, 25724, 30629, 30910, 32155, 33158, 61258, 61820, 64310, 66316, 70741, 82895, 122516, 128620, 141482, 153145, 165790, 182369, 282964, 306290, 331580, 336919, 353705, 364738, 612580, 673838, 707410, 729476, 911845, 1347676, 1414820, 1684595, 1807111, 1823690, 3369190, 3614222, 3647380, 6738380, 7228444, 9035555, 18071110, 19878221, 36142220, 39756442, 79512884, 99391105, 198782210, 397564420]

約数ペア:

[(1, 397564420), (2, 198782210), (4, 99391105), (5, 79512884), (10, 39756442), (11, 36142220), (20, 19878221), (22, 18071110), (44, 9035555), (55, 7228444), (59, 6738380), (109, 3647380), (110, 3614222), (118, 3369190), (218, 1823690), (220, 1807111), (236, 1684595), (281, 1414820), (295, 1347676), (436, 911845), (545, 729476), (562, 707410), (590, 673838), (649, 612580), (1090, 364738), (1124, 353705), (1180, 336919), (1199, 331580), (1298, 306290), (1405, 282964), (2180, 182369), (2398, 165790), (2596, 153145), (2810, 141482), (3091, 128620), (3245, 122516), (4796, 82895), (5620, 70741), (5995, 66316), (6182, 64310), (6431, 61820), (6490, 61258), (11990, 33158), (12364, 32155), (12862, 30910), (12980, 30629), (15455, 25724), (16579, 23980)]