204634780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 539856576

約数和(自身を除く): 335221796

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 71, 85, 98, 119, 140, 142, 170, 173, 196, 238, 245, 284, 340, 346, 355, 476, 490, 497, 595, 692, 710, 833, 865, 980, 994, 1190, 1207, 1211, 1420, 1666, 1730, 1988, 2380, 2414, 2422, 2485, 2941, 3332, 3460, 3479, 4165, 4828, 4844, 4970, 5882, 6035, 6055, 6958, 8330, 8449, 8477, 9940, 11764, 12070, 12110, 12283, 13916, 14705, 16660, 16898, 16954, 17395, 20587, 24140, 24220, 24566, 29410, 33796, 33908, 34790, 41174, 42245, 42385, 49132, 58820, 59143, 61415, 69580, 82348, 84490, 84770, 85981, 102935, 118286, 122830, 144109, 168980, 169540, 171962, 205870, 208811, 236572, 245660, 288218, 295715, 343924, 411740, 417622, 429905, 576436, 591430, 601867, 720545, 835244, 859810, 1044055, 1182860, 1203734, 1441090, 1461677, 1719620, 2088110, 2407468, 2882180, 2923354, 3009335, 4176220, 5846708, 6018670, 7308385, 10231739, 12037340, 14616770, 20463478, 29233540, 40926956, 51158695, 102317390, 204634780]

約数ペア:

[(1, 204634780), (2, 102317390), (4, 51158695), (5, 40926956), (7, 29233540), (10, 20463478), (14, 14616770), (17, 12037340), (20, 10231739), (28, 7308385), (34, 6018670), (35, 5846708), (49, 4176220), (68, 3009335), (70, 2923354), (71, 2882180), (85, 2407468), (98, 2088110), (119, 1719620), (140, 1461677), (142, 1441090), (170, 1203734), (173, 1182860), (196, 1044055), (238, 859810), (245, 835244), (284, 720545), (340, 601867), (346, 591430), (355, 576436), (476, 429905), (490, 417622), (497, 411740), (595, 343924), (692, 295715), (710, 288218), (833, 245660), (865, 236572), (980, 208811), (994, 205870), (1190, 171962), (1207, 169540), (1211, 168980), (1420, 144109), (1666, 122830), (1730, 118286), (1988, 102935), (2380, 85981), (2414, 84770), (2422, 84490), (2485, 82348), (2941, 69580), (3332, 61415), (3460, 59143), (3479, 58820), (4165, 49132), (4828, 42385), (4844, 42245), (4970, 41174), (5882, 34790), (6035, 33908), (6055, 33796), (6958, 29410), (8330, 24566), (8449, 24220), (8477, 24140), (9940, 20587), (11764, 17395), (12070, 16954), (12110, 16898), (12283, 16660), (13916, 14705)]