489050380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 1343321280

約数和(自身を除く): 854270900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 230, 245, 260, 299, 322, 364, 455, 460, 490, 598, 637, 644, 805, 910, 980, 1127, 1196, 1274, 1495, 1610, 1669, 1820, 2093, 2254, 2548, 2990, 3185, 3220, 3338, 4186, 4508, 5635, 5980, 6370, 6676, 8345, 8372, 10465, 11270, 11683, 12740, 14651, 16690, 20930, 21697, 22540, 23366, 29302, 33380, 38387, 41860, 43394, 46732, 58415, 58604, 73255, 76774, 81781, 86788, 108485, 116830, 146510, 151879, 153548, 163562, 191935, 216970, 233660, 268709, 293020, 303758, 327124, 383870, 408905, 433940, 499031, 537418, 607516, 759395, 767740, 817810, 998062, 1063153, 1074836, 1343545, 1518790, 1635620, 1880963, 1996124, 2126306, 2495155, 2687090, 3037580, 3493217, 3761926, 4252612, 4990310, 5315765, 5374180, 6986434, 7523852, 9404815, 9980620, 10631530, 13972868, 17466085, 18809630, 21263060, 24452519, 34932170, 37619260, 48905038, 69864340, 97810076, 122262595, 244525190, 489050380]

約数ペア:

[(1, 489050380), (2, 244525190), (4, 122262595), (5, 97810076), (7, 69864340), (10, 48905038), (13, 37619260), (14, 34932170), (20, 24452519), (23, 21263060), (26, 18809630), (28, 17466085), (35, 13972868), (46, 10631530), (49, 9980620), (52, 9404815), (65, 7523852), (70, 6986434), (91, 5374180), (92, 5315765), (98, 4990310), (115, 4252612), (130, 3761926), (140, 3493217), (161, 3037580), (182, 2687090), (196, 2495155), (230, 2126306), (245, 1996124), (260, 1880963), (299, 1635620), (322, 1518790), (364, 1343545), (455, 1074836), (460, 1063153), (490, 998062), (598, 817810), (637, 767740), (644, 759395), (805, 607516), (910, 537418), (980, 499031), (1127, 433940), (1196, 408905), (1274, 383870), (1495, 327124), (1610, 303758), (1669, 293020), (1820, 268709), (2093, 233660), (2254, 216970), (2548, 191935), (2990, 163562), (3185, 153548), (3220, 151879), (3338, 146510), (4186, 116830), (4508, 108485), (5635, 86788), (5980, 81781), (6370, 76774), (6676, 73255), (8345, 58604), (8372, 58415), (10465, 46732), (11270, 43394), (11683, 41860), (12740, 38387), (14651, 33380), (16690, 29302), (20930, 23366), (21697, 22540)]