642356554420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14897}}^1\times {\mathrm{4597}}^1$

素因数の和:19577

約数の個数: 96

約数和(自身を含む): 1565110939392

約数和(自身を除く): 922754384972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4597, 4690, 9194, 9380, 14897, 18388, 22985, 29794, 32179, 45970, 59588, 64358, 74485, 91940, 104279, 128716, 148970, 160895, 208558, 297940, 307999, 321790, 417116, 521395, 615998, 643580, 998099, 1042790, 1231996, 1539995, 1996198, 2085580, 2155993, 3079990, 3992396, 4311986, 4990495, 6159980, 6986693, 8623972, 9980990, 10779965, 13973386, 19961980, 21559930, 27946772, 34933465, 43119860, 68481509, 69866930, 136963018, 139733860, 273926036, 342407545, 479370563, 684815090, 958741126, 1369630180, 1917482252, 2396852815, 4588261103, 4793705630, 9176522206, 9587411260, 18353044412, 22941305515, 32117827721, 45882611030, 64235655442, 91765222060, 128471310884, 160589138605, 321178277210, 642356554420]

約数ペア:

[(1, 642356554420), (2, 321178277210), (4, 160589138605), (5, 128471310884), (7, 91765222060), (10, 64235655442), (14, 45882611030), (20, 32117827721), (28, 22941305515), (35, 18353044412), (67, 9587411260), (70, 9176522206), (134, 4793705630), (140, 4588261103), (268, 2396852815), (335, 1917482252), (469, 1369630180), (670, 958741126), (938, 684815090), (1340, 479370563), (1876, 342407545), (2345, 273926036), (4597, 139733860), (4690, 136963018), (9194, 69866930), (9380, 68481509), (14897, 43119860), (18388, 34933465), (22985, 27946772), (29794, 21559930), (32179, 19961980), (45970, 13973386), (59588, 10779965), (64358, 9980990), (74485, 8623972), (91940, 6986693), (104279, 6159980), (128716, 4990495), (148970, 4311986), (160895, 3992396), (208558, 3079990), (297940, 2155993), (307999, 2085580), (321790, 1996198), (417116, 1539995), (521395, 1231996), (615998, 1042790), (643580, 998099)]