638321530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 192

約数和(自身を含む): 1607454720

約数和(自身を除く): 969133190

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 23, 35, 38, 46, 49, 55, 70, 77, 95, 98, 110, 115, 133, 154, 161, 190, 209, 230, 245, 253, 266, 271, 322, 385, 418, 437, 490, 506, 539, 542, 665, 770, 805, 874, 931, 1045, 1078, 1127, 1265, 1330, 1355, 1463, 1610, 1771, 1862, 1897, 2090, 2185, 2254, 2530, 2695, 2710, 2926, 2981, 3059, 3542, 3794, 4370, 4655, 4807, 5149, 5390, 5635, 5962, 6118, 6233, 7315, 8855, 9310, 9485, 9614, 10241, 10298, 11270, 12397, 12466, 13279, 14630, 14905, 15295, 17710, 18970, 20482, 20867, 21413, 24035, 24794, 25745, 26558, 29810, 30590, 31165, 33649, 36043, 41734, 42826, 43631, 48070, 51205, 51490, 56639, 61985, 62330, 66395, 67298, 68563, 72086, 87262, 102410, 104335, 107065, 113278, 118427, 123970, 132790, 137126, 146069, 168245, 180215, 208670, 214130, 218155, 235543, 236854, 252301, 283195, 292138, 305417, 336490, 342815, 360430, 396473, 436310, 471086, 479941, 504602, 566390, 592135, 610834, 685630, 730345, 792946, 828989, 959882, 1177715, 1184270, 1261505, 1302697, 1460690, 1527085, 1657978, 1982365, 2355430, 2399705, 2523010, 2605394, 2775311, 3054170, 3359587, 3964730, 4144945, 4799410, 5550622, 5802923, 6513485, 6719174, 8289890, 9118879, 11605846, 13026970, 13876555, 16797935, 18237758, 27753110, 29014615, 33595870, 45594395, 58029230, 63832153, 91188790, 127664306, 319160765, 638321530]

約数ペア:

[(1, 638321530), (2, 319160765), (5, 127664306), (7, 91188790), (10, 63832153), (11, 58029230), (14, 45594395), (19, 33595870), (22, 29014615), (23, 27753110), (35, 18237758), (38, 16797935), (46, 13876555), (49, 13026970), (55, 11605846), (70, 9118879), (77, 8289890), (95, 6719174), (98, 6513485), (110, 5802923), (115, 5550622), (133, 4799410), (154, 4144945), (161, 3964730), (190, 3359587), (209, 3054170), (230, 2775311), (245, 2605394), (253, 2523010), (266, 2399705), (271, 2355430), (322, 1982365), (385, 1657978), (418, 1527085), (437, 1460690), (490, 1302697), (506, 1261505), (539, 1184270), (542, 1177715), (665, 959882), (770, 828989), (805, 792946), (874, 730345), (931, 685630), (1045, 610834), (1078, 592135), (1127, 566390), (1265, 504602), (1330, 479941), (1355, 471086), (1463, 436310), (1610, 396473), (1771, 360430), (1862, 342815), (1897, 336490), (2090, 305417), (2185, 292138), (2254, 283195), (2530, 252301), (2695, 236854), (2710, 235543), (2926, 218155), (2981, 214130), (3059, 208670), (3542, 180215), (3794, 168245), (4370, 146069), (4655, 137126), (4807, 132790), (5149, 123970), (5390, 118427), (5635, 113278), (5962, 107065), (6118, 104335), (6233, 102410), (7315, 87262), (8855, 72086), (9310, 68563), (9485, 67298), (9614, 66395), (10241, 62330), (10298, 61985), (11270, 56639), (12397, 51490), (12466, 51205), (13279, 48070), (14630, 43631), (14905, 42826), (15295, 41734), (17710, 36043), (18970, 33649), (20482, 31165), (20867, 30590), (21413, 29810), (24035, 26558), (24794, 25745)]