27988730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 63479808

約数和(自身を除く): 35491078

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 163, 223, 326, 385, 446, 770, 815, 1115, 1141, 1561, 1630, 1793, 2230, 2282, 2453, 3122, 3586, 4906, 5705, 7805, 8965, 11410, 12265, 12551, 15610, 17171, 17930, 24530, 25102, 34342, 36349, 62755, 72698, 85855, 125510, 171710, 181745, 254443, 363490, 399839, 508886, 799678, 1272215, 1999195, 2544430, 2798873, 3998390, 5597746, 13994365, 27988730]

約数ペア:

[(1, 27988730), (2, 13994365), (5, 5597746), (7, 3998390), (10, 2798873), (11, 2544430), (14, 1999195), (22, 1272215), (35, 799678), (55, 508886), (70, 399839), (77, 363490), (110, 254443), (154, 181745), (163, 171710), (223, 125510), (326, 85855), (385, 72698), (446, 62755), (770, 36349), (815, 34342), (1115, 25102), (1141, 24530), (1561, 17930), (1630, 17171), (1793, 15610), (2230, 12551), (2282, 12265), (2453, 11410), (3122, 8965), (3586, 7805), (4906, 5705)]