823278320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 1963588608

約数和(自身を除く): 1140310288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 347, 376, 470, 631, 694, 752, 940, 1262, 1388, 1735, 1880, 2524, 2776, 3155, 3470, 3760, 5048, 5552, 6310, 6940, 10096, 12620, 13880, 16309, 25240, 27760, 29657, 32618, 50480, 59314, 65236, 81545, 118628, 130472, 148285, 163090, 218957, 237256, 260944, 296570, 326180, 437914, 474512, 593140, 652360, 875828, 1094785, 1186280, 1304720, 1751656, 2189570, 2372560, 3503312, 4379140, 8758280, 10290979, 17516560, 20581958, 41163916, 51454895, 82327832, 102909790, 164655664, 205819580, 411639160, 823278320]

約数ペア:

[(1, 823278320), (2, 411639160), (4, 205819580), (5, 164655664), (8, 102909790), (10, 82327832), (16, 51454895), (20, 41163916), (40, 20581958), (47, 17516560), (80, 10290979), (94, 8758280), (188, 4379140), (235, 3503312), (347, 2372560), (376, 2189570), (470, 1751656), (631, 1304720), (694, 1186280), (752, 1094785), (940, 875828), (1262, 652360), (1388, 593140), (1735, 474512), (1880, 437914), (2524, 326180), (2776, 296570), (3155, 260944), (3470, 237256), (3760, 218957), (5048, 163090), (5552, 148285), (6310, 130472), (6940, 118628), (10096, 81545), (12620, 65236), (13880, 59314), (16309, 50480), (25240, 32618), (27760, 29657)]