177017890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 392999040

約数和(自身を除く): 215981150

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 113, 115, 139, 161, 226, 230, 245, 278, 322, 490, 565, 695, 791, 805, 973, 1127, 1130, 1390, 1582, 1610, 1946, 2254, 2599, 3197, 3955, 4865, 5198, 5537, 5635, 6394, 6811, 7910, 9730, 11074, 11270, 12995, 13622, 15707, 15985, 18193, 22379, 25990, 27685, 31414, 31970, 34055, 36386, 44758, 55370, 68110, 78535, 90965, 109949, 111895, 127351, 156653, 157070, 181930, 219898, 223790, 254702, 313306, 361261, 549745, 636755, 722522, 769643, 783265, 1099490, 1273510, 1539286, 1566530, 1806305, 2528827, 3612610, 3848215, 5057654, 7696430, 12644135, 17701789, 25288270, 35403578, 88508945, 177017890]

約数ペア:

[(1, 177017890), (2, 88508945), (5, 35403578), (7, 25288270), (10, 17701789), (14, 12644135), (23, 7696430), (35, 5057654), (46, 3848215), (49, 3612610), (70, 2528827), (98, 1806305), (113, 1566530), (115, 1539286), (139, 1273510), (161, 1099490), (226, 783265), (230, 769643), (245, 722522), (278, 636755), (322, 549745), (490, 361261), (565, 313306), (695, 254702), (791, 223790), (805, 219898), (973, 181930), (1127, 157070), (1130, 156653), (1390, 127351), (1582, 111895), (1610, 109949), (1946, 90965), (2254, 78535), (2599, 68110), (3197, 55370), (3955, 44758), (4865, 36386), (5198, 34055), (5537, 31970), (5635, 31414), (6394, 27685), (6811, 25990), (7910, 22379), (9730, 18193), (11074, 15985), (11270, 15707), (12995, 13622)]