211025210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 449305920

約数和(自身を除く): 238280710

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 67, 95, 110, 121, 134, 137, 190, 209, 242, 274, 335, 418, 605, 670, 685, 737, 1045, 1210, 1273, 1370, 1474, 1507, 2090, 2299, 2546, 2603, 3014, 3685, 4598, 5206, 6365, 7370, 7535, 8107, 9179, 11495, 12730, 13015, 14003, 15070, 16214, 16577, 18358, 22990, 26030, 28006, 28633, 33154, 40535, 45895, 57266, 70015, 81070, 82885, 91790, 100969, 140030, 143165, 154033, 165770, 174401, 201938, 286330, 308066, 314963, 348802, 504845, 629926, 770165, 872005, 1009690, 1110659, 1540330, 1574815, 1744010, 1918411, 2221318, 3149630, 3836822, 5553295, 9592055, 11106590, 19184110, 21102521, 42205042, 105512605, 211025210]

約数ペア:

[(1, 211025210), (2, 105512605), (5, 42205042), (10, 21102521), (11, 19184110), (19, 11106590), (22, 9592055), (38, 5553295), (55, 3836822), (67, 3149630), (95, 2221318), (110, 1918411), (121, 1744010), (134, 1574815), (137, 1540330), (190, 1110659), (209, 1009690), (242, 872005), (274, 770165), (335, 629926), (418, 504845), (605, 348802), (670, 314963), (685, 308066), (737, 286330), (1045, 201938), (1210, 174401), (1273, 165770), (1370, 154033), (1474, 143165), (1507, 140030), (2090, 100969), (2299, 91790), (2546, 82885), (2603, 81070), (3014, 70015), (3685, 57266), (4598, 45895), (5206, 40535), (6365, 33154), (7370, 28633), (7535, 28006), (8107, 26030), (9179, 22990), (11495, 18358), (12730, 16577), (13015, 16214), (14003, 15070)]