199488904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 410400000

約数和(自身を除く): 210911096

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 79, 148, 152, 158, 296, 316, 449, 632, 703, 898, 1406, 1501, 1796, 2812, 2923, 3002, 3592, 5624, 5846, 6004, 8531, 11692, 12008, 16613, 17062, 23384, 33226, 34124, 35471, 55537, 66452, 68248, 70942, 111074, 132904, 141884, 222148, 283768, 315647, 444296, 631294, 673949, 1262588, 1312427, 1347898, 2525176, 2624854, 2695796, 5249708, 5391592, 10499416, 24936113, 49872226, 99744452, 199488904]

約数ペア:

[(1, 199488904), (2, 99744452), (4, 49872226), (8, 24936113), (19, 10499416), (37, 5391592), (38, 5249708), (74, 2695796), (76, 2624854), (79, 2525176), (148, 1347898), (152, 1312427), (158, 1262588), (296, 673949), (316, 631294), (449, 444296), (632, 315647), (703, 283768), (898, 222148), (1406, 141884), (1501, 132904), (1796, 111074), (2812, 70942), (2923, 68248), (3002, 66452), (3592, 55537), (5624, 35471), (5846, 34124), (6004, 33226), (8531, 23384), (11692, 17062), (12008, 16613)]