211204760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21377}}^1$

素因数の和:21420

約数の個数: 64

約数和(自身を含む): 538725600

約数和(自身を除く): 327520840

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 21377, 42754, 85508, 106885, 171016, 213770, 277901, 406163, 427540, 555802, 812326, 855080, 1111604, 1389505, 1624652, 2030815, 2223208, 2779010, 3249304, 4061630, 5280119, 5558020, 8123260, 10560238, 11116040, 16246520, 21120476, 26400595, 42240952, 52801190, 105602380, 211204760]

約数ペア:

[(1, 211204760), (2, 105602380), (4, 52801190), (5, 42240952), (8, 26400595), (10, 21120476), (13, 16246520), (19, 11116040), (20, 10560238), (26, 8123260), (38, 5558020), (40, 5280119), (52, 4061630), (65, 3249304), (76, 2779010), (95, 2223208), (104, 2030815), (130, 1624652), (152, 1389505), (190, 1111604), (247, 855080), (260, 812326), (380, 555802), (494, 427540), (520, 406163), (760, 277901), (988, 213770), (1235, 171016), (1976, 106885), (2470, 85508), (4940, 42754), (9880, 21377)]