205575440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 579159360

約数和(自身を除く): 373583920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 139, 140, 152, 190, 266, 278, 280, 304, 380, 532, 556, 560, 665, 695, 760, 973, 1064, 1112, 1330, 1390, 1520, 1946, 2128, 2224, 2641, 2660, 2780, 3892, 4865, 5282, 5320, 5560, 7784, 9730, 10564, 10640, 11120, 13205, 15568, 18487, 19321, 19460, 21128, 26410, 36974, 38642, 38920, 42256, 52820, 73948, 77284, 77840, 92435, 96605, 105640, 135247, 147896, 154568, 184870, 193210, 211280, 270494, 295792, 309136, 367099, 369740, 386420, 540988, 676235, 734198, 739480, 772840, 1081976, 1352470, 1468396, 1478960, 1545680, 1835495, 2163952, 2569693, 2704940, 2936792, 3670990, 5139386, 5409880, 5873584, 7341980, 10278772, 10819760, 12848465, 14683960, 20557544, 25696930, 29367920, 41115088, 51393860, 102787720, 205575440]

約数ペア:

[(1, 205575440), (2, 102787720), (4, 51393860), (5, 41115088), (7, 29367920), (8, 25696930), (10, 20557544), (14, 14683960), (16, 12848465), (19, 10819760), (20, 10278772), (28, 7341980), (35, 5873584), (38, 5409880), (40, 5139386), (56, 3670990), (70, 2936792), (76, 2704940), (80, 2569693), (95, 2163952), (112, 1835495), (133, 1545680), (139, 1478960), (140, 1468396), (152, 1352470), (190, 1081976), (266, 772840), (278, 739480), (280, 734198), (304, 676235), (380, 540988), (532, 386420), (556, 369740), (560, 367099), (665, 309136), (695, 295792), (760, 270494), (973, 211280), (1064, 193210), (1112, 184870), (1330, 154568), (1390, 147896), (1520, 135247), (1946, 105640), (2128, 96605), (2224, 92435), (2641, 77840), (2660, 77284), (2780, 73948), (3892, 52820), (4865, 42256), (5282, 38920), (5320, 38642), (5560, 36974), (7784, 26410), (9730, 21128), (10564, 19460), (10640, 19321), (11120, 18487), (13205, 15568)]