1278902350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 3027663360

約数和(自身を除く): 1748761010

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 23, 25, 34, 38, 46, 50, 55, 85, 95, 110, 115, 170, 187, 190, 209, 230, 253, 275, 313, 323, 374, 391, 418, 425, 437, 475, 506, 550, 575, 626, 646, 782, 850, 874, 935, 950, 1045, 1150, 1265, 1565, 1615, 1870, 1955, 2090, 2185, 2530, 3130, 3230, 3443, 3553, 3910, 4301, 4370, 4675, 4807, 5225, 5321, 5947, 6325, 6886, 7106, 7199, 7429, 7825, 8075, 8602, 9350, 9614, 9775, 10450, 10642, 10925, 11894, 12650, 14398, 14858, 15650, 16150, 17215, 17765, 19550, 21505, 21850, 24035, 26605, 29735, 34430, 35530, 35995, 37145, 43010, 48070, 53210, 58531, 59470, 65417, 71990, 74290, 79189, 81719, 86075, 88825, 101099, 107525, 117062, 120175, 122383, 130834, 133025, 136781, 148675, 158378, 163438, 172150, 177650, 179975, 185725, 202198, 215050, 240350, 244766, 266050, 273562, 292655, 297350, 327085, 359950, 371450, 395945, 408595, 505495, 585310, 611915, 654170, 683905, 791890, 817190, 1010990, 1112089, 1223830, 1346213, 1367810, 1463275, 1504591, 1635425, 1979725, 2042975, 2224178, 2325277, 2527475, 2692426, 2926550, 3009182, 3059575, 3270850, 3419525, 3959450, 4085950, 4650554, 5054950, 5560445, 6119150, 6731065, 6839050, 7522955, 11120890, 11626385, 13462130, 15045910, 23252770, 25578047, 27802225, 33655325, 37614775, 51156094, 55604450, 58131925, 67310650, 75229550, 116263850, 127890235, 255780470, 639451175, 1278902350]

約数ペア:

[(1, 1278902350), (2, 639451175), (5, 255780470), (10, 127890235), (11, 116263850), (17, 75229550), (19, 67310650), (22, 58131925), (23, 55604450), (25, 51156094), (34, 37614775), (38, 33655325), (46, 27802225), (50, 25578047), (55, 23252770), (85, 15045910), (95, 13462130), (110, 11626385), (115, 11120890), (170, 7522955), (187, 6839050), (190, 6731065), (209, 6119150), (230, 5560445), (253, 5054950), (275, 4650554), (313, 4085950), (323, 3959450), (374, 3419525), (391, 3270850), (418, 3059575), (425, 3009182), (437, 2926550), (475, 2692426), (506, 2527475), (550, 2325277), (575, 2224178), (626, 2042975), (646, 1979725), (782, 1635425), (850, 1504591), (874, 1463275), (935, 1367810), (950, 1346213), (1045, 1223830), (1150, 1112089), (1265, 1010990), (1565, 817190), (1615, 791890), (1870, 683905), (1955, 654170), (2090, 611915), (2185, 585310), (2530, 505495), (3130, 408595), (3230, 395945), (3443, 371450), (3553, 359950), (3910, 327085), (4301, 297350), (4370, 292655), (4675, 273562), (4807, 266050), (5225, 244766), (5321, 240350), (5947, 215050), (6325, 202198), (6886, 185725), (7106, 179975), (7199, 177650), (7429, 172150), (7825, 163438), (8075, 158378), (8602, 148675), (9350, 136781), (9614, 133025), (9775, 130834), (10450, 122383), (10642, 120175), (10925, 117062), (11894, 107525), (12650, 101099), (14398, 88825), (14858, 86075), (15650, 81719), (16150, 79189), (17215, 74290), (17765, 71990), (19550, 65417), (21505, 59470), (21850, 58531), (24035, 53210), (26605, 48070), (29735, 43010), (34430, 37145), (35530, 35995)]