492729320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{647}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 1129075200

約数和(自身を除く): 636345880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 241, 316, 395, 482, 632, 647, 790, 964, 1205, 1294, 1580, 1928, 2410, 2588, 3160, 3235, 4820, 5176, 6470, 9640, 12940, 19039, 25880, 38078, 51113, 76156, 95195, 102226, 152312, 155927, 190390, 204452, 255565, 311854, 380780, 408904, 511130, 623708, 761560, 779635, 1022260, 1247416, 1559270, 2044520, 3118540, 6237080, 12318233, 24636466, 49272932, 61591165, 98545864, 123182330, 246364660, 492729320]

約数ペア:

[(1, 492729320), (2, 246364660), (4, 123182330), (5, 98545864), (8, 61591165), (10, 49272932), (20, 24636466), (40, 12318233), (79, 6237080), (158, 3118540), (241, 2044520), (316, 1559270), (395, 1247416), (482, 1022260), (632, 779635), (647, 761560), (790, 623708), (964, 511130), (1205, 408904), (1294, 380780), (1580, 311854), (1928, 255565), (2410, 204452), (2588, 190390), (3160, 155927), (3235, 152312), (4820, 102226), (5176, 95195), (6470, 76156), (9640, 51113), (12940, 38078), (19039, 25880)]