821800559860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1\times {\mathrm{203023}}^1$

素因数の和:204065

約数の個数: 96

約数和(自身を含む): 2042388956160

約数和(自身を除く): 1220588396300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 997, 1015, 1994, 2030, 3988, 4060, 4985, 6979, 9970, 13958, 19940, 27916, 28913, 34895, 57826, 69790, 115652, 139580, 144565, 202391, 203023, 289130, 404782, 406046, 578260, 809564, 812092, 1011955, 1015115, 1421161, 2023910, 2030230, 2842322, 4047820, 4060460, 5684644, 5887667, 7105805, 11775334, 14211610, 23550668, 28423220, 29438335, 41213669, 58876670, 82427338, 117753340, 164854676, 202413931, 206068345, 404827862, 412136690, 809655724, 824273380, 1012069655, 1416897517, 2024139310, 2833795034, 4048278620, 5667590068, 5870003999, 7084487585, 11740007998, 14168975170, 23480015996, 28337950340, 29350019995, 41090027993, 58700039990, 82180055986, 117400079980, 164360111972, 205450139965, 410900279930, 821800559860]

約数ペア:

[(1, 821800559860), (2, 410900279930), (4, 205450139965), (5, 164360111972), (7, 117400079980), (10, 82180055986), (14, 58700039990), (20, 41090027993), (28, 29350019995), (29, 28337950340), (35, 23480015996), (58, 14168975170), (70, 11740007998), (116, 7084487585), (140, 5870003999), (145, 5667590068), (203, 4048278620), (290, 2833795034), (406, 2024139310), (580, 1416897517), (812, 1012069655), (997, 824273380), (1015, 809655724), (1994, 412136690), (2030, 404827862), (3988, 206068345), (4060, 202413931), (4985, 164854676), (6979, 117753340), (9970, 82427338), (13958, 58876670), (19940, 41213669), (27916, 29438335), (28913, 28423220), (34895, 23550668), (57826, 14211610), (69790, 11775334), (115652, 7105805), (139580, 5887667), (144565, 5684644), (202391, 4060460), (203023, 4047820), (289130, 2842322), (404782, 2030230), (406046, 2023910), (578260, 1421161), (809564, 1015115), (812092, 1011955)]