254566480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1951}}^1$

素因数の和:2204

約数の個数: 80

約数和(自身を含む): 679670784

約数和(自身を除く): 425104304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 932, 1165, 1631, 1864, 1951, 2330, 3262, 3728, 3902, 4660, 6524, 7804, 8155, 9320, 9755, 13048, 13657, 15608, 16310, 18640, 19510, 26096, 27314, 31216, 32620, 39020, 54628, 65240, 68285, 78040, 109256, 130480, 136570, 156080, 218512, 273140, 454583, 546280, 909166, 1092560, 1818332, 2272915, 3182081, 3636664, 4545830, 6364162, 7273328, 9091660, 12728324, 15910405, 18183320, 25456648, 31820810, 36366640, 50913296, 63641620, 127283240, 254566480]

約数ペア:

[(1, 254566480), (2, 127283240), (4, 63641620), (5, 50913296), (7, 36366640), (8, 31820810), (10, 25456648), (14, 18183320), (16, 15910405), (20, 12728324), (28, 9091660), (35, 7273328), (40, 6364162), (56, 4545830), (70, 3636664), (80, 3182081), (112, 2272915), (140, 1818332), (233, 1092560), (280, 909166), (466, 546280), (560, 454583), (932, 273140), (1165, 218512), (1631, 156080), (1864, 136570), (1951, 130480), (2330, 109256), (3262, 78040), (3728, 68285), (3902, 65240), (4660, 54628), (6524, 39020), (7804, 32620), (8155, 31216), (9320, 27314), (9755, 26096), (13048, 19510), (13657, 18640), (15608, 16310)]