211279970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 219821470

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 79, 82, 110, 158, 205, 395, 410, 451, 593, 790, 869, 902, 1186, 1738, 2255, 2965, 3239, 4345, 4510, 5930, 6478, 6523, 8690, 13046, 16195, 24313, 32390, 32615, 35629, 46847, 48626, 65230, 71258, 93694, 121565, 178145, 234235, 243130, 267443, 356290, 468470, 515317, 534886, 1030634, 1337215, 1920727, 2576585, 2674430, 3841454, 5153170, 9603635, 19207270, 21127997, 42255994, 105639985, 211279970]

約数ペア:

[(1, 211279970), (2, 105639985), (5, 42255994), (10, 21127997), (11, 19207270), (22, 9603635), (41, 5153170), (55, 3841454), (79, 2674430), (82, 2576585), (110, 1920727), (158, 1337215), (205, 1030634), (395, 534886), (410, 515317), (451, 468470), (593, 356290), (790, 267443), (869, 243130), (902, 234235), (1186, 178145), (1738, 121565), (2255, 93694), (2965, 71258), (3239, 65230), (4345, 48626), (4510, 46847), (5930, 35629), (6478, 32615), (6523, 32390), (8690, 24313), (13046, 16195)]