102843320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 238140000

約数和(自身を除く): 135296680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 139, 212, 265, 278, 349, 424, 530, 556, 695, 698, 1060, 1112, 1390, 1396, 1745, 2120, 2780, 2792, 3490, 5560, 6980, 7367, 13960, 14734, 18497, 29468, 36835, 36994, 48511, 58936, 73670, 73988, 92485, 97022, 147340, 147976, 184970, 194044, 242555, 294680, 369940, 388088, 485110, 739880, 970220, 1940440, 2571083, 5142166, 10284332, 12855415, 20568664, 25710830, 51421660, 102843320]

約数ペア:

[(1, 102843320), (2, 51421660), (4, 25710830), (5, 20568664), (8, 12855415), (10, 10284332), (20, 5142166), (40, 2571083), (53, 1940440), (106, 970220), (139, 739880), (212, 485110), (265, 388088), (278, 369940), (349, 294680), (424, 242555), (530, 194044), (556, 184970), (695, 147976), (698, 147340), (1060, 97022), (1112, 92485), (1390, 73988), (1396, 73670), (1745, 58936), (2120, 48511), (2780, 36994), (2792, 36835), (3490, 29468), (5560, 18497), (6980, 14734), (7367, 13960)]