919940890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 128

約数和(自身を含む): 2030095872

約数和(自身を除く): 1110154982

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 73, 85, 110, 115, 146, 170, 187, 230, 253, 293, 365, 374, 391, 506, 586, 730, 782, 803, 935, 1241, 1265, 1465, 1606, 1679, 1870, 1955, 2482, 2530, 2930, 3223, 3358, 3910, 4015, 4301, 4981, 6205, 6446, 6739, 8030, 8395, 8602, 9962, 12410, 13478, 13651, 16115, 16790, 18469, 21389, 21505, 24905, 27302, 28543, 32230, 33695, 36938, 42778, 43010, 49810, 54791, 57086, 67390, 68255, 74129, 92345, 106945, 109582, 114563, 136510, 142715, 148258, 184690, 213890, 229126, 235279, 273955, 285430, 313973, 363613, 370645, 470558, 491947, 547910, 572815, 627946, 727226, 741290, 983894, 1145630, 1176395, 1260193, 1569865, 1818065, 2352790, 2459735, 2520386, 3139730, 3636130, 3999743, 4919470, 5411417, 6300965, 7999486, 8363099, 10822834, 12601930, 16726198, 19998715, 27057085, 39997430, 41815495, 54114170, 83630990, 91994089, 183988178, 459970445, 919940890]

約数ペア:

[(1, 919940890), (2, 459970445), (5, 183988178), (10, 91994089), (11, 83630990), (17, 54114170), (22, 41815495), (23, 39997430), (34, 27057085), (46, 19998715), (55, 16726198), (73, 12601930), (85, 10822834), (110, 8363099), (115, 7999486), (146, 6300965), (170, 5411417), (187, 4919470), (230, 3999743), (253, 3636130), (293, 3139730), (365, 2520386), (374, 2459735), (391, 2352790), (506, 1818065), (586, 1569865), (730, 1260193), (782, 1176395), (803, 1145630), (935, 983894), (1241, 741290), (1265, 727226), (1465, 627946), (1606, 572815), (1679, 547910), (1870, 491947), (1955, 470558), (2482, 370645), (2530, 363613), (2930, 313973), (3223, 285430), (3358, 273955), (3910, 235279), (4015, 229126), (4301, 213890), (4981, 184690), (6205, 148258), (6446, 142715), (6739, 136510), (8030, 114563), (8395, 109582), (8602, 106945), (9962, 92345), (12410, 74129), (13478, 68255), (13651, 67390), (16115, 57086), (16790, 54791), (18469, 49810), (21389, 43010), (21505, 42778), (24905, 36938), (27302, 33695), (28543, 32230)]