1387408040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1\times {\mathrm{1279}}^1$

素因数の和:1914

約数の個数: 64

約数和(自身を含む): 3196108800

約数和(自身を除く): 1808700760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 577, 940, 1154, 1279, 1880, 2308, 2558, 2885, 4616, 5116, 5770, 6395, 10232, 11540, 12790, 23080, 25580, 27119, 51160, 54238, 60113, 108476, 120226, 135595, 216952, 240452, 271190, 300565, 480904, 542380, 601130, 737983, 1084760, 1202260, 1475966, 2404520, 2951932, 3689915, 5903864, 7379830, 14759660, 29519320, 34685201, 69370402, 138740804, 173426005, 277481608, 346852010, 693704020, 1387408040]

約数ペア:

[(1, 1387408040), (2, 693704020), (4, 346852010), (5, 277481608), (8, 173426005), (10, 138740804), (20, 69370402), (40, 34685201), (47, 29519320), (94, 14759660), (188, 7379830), (235, 5903864), (376, 3689915), (470, 2951932), (577, 2404520), (940, 1475966), (1154, 1202260), (1279, 1084760), (1880, 737983), (2308, 601130), (2558, 542380), (2885, 480904), (4616, 300565), (5116, 271190), (5770, 240452), (6395, 216952), (10232, 135595), (11540, 120226), (12790, 108476), (23080, 60113), (25580, 54238), (27119, 51160)]