248564680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2969}}^1$

素因数の和:3023

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 469937720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2969, 2990, 3220, 3640, 4186, 5938, 5980, 6440, 8372, 10465, 11876, 11960, 14845, 16744, 20783, 20930, 23752, 29690, 38597, 41566, 41860, 59380, 68287, 77194, 83132, 83720, 103915, 118760, 136574, 154388, 166264, 192985, 207830, 270179, 273148, 308776, 341435, 385970, 415660, 478009, 540358, 546296, 682870, 771940, 831320, 887731, 956018, 1080716, 1350895, 1365740, 1543880, 1775462, 1912036, 2161432, 2390045, 2701790, 2731480, 3550924, 3824072, 4438655, 4780090, 5403580, 6214117, 7101848, 8877310, 9560180, 10807160, 12428234, 17754620, 19120360, 24856468, 31070585, 35509240, 49712936, 62141170, 124282340, 248564680]

約数ペア:

[(1, 248564680), (2, 124282340), (4, 62141170), (5, 49712936), (7, 35509240), (8, 31070585), (10, 24856468), (13, 19120360), (14, 17754620), (20, 12428234), (23, 10807160), (26, 9560180), (28, 8877310), (35, 7101848), (40, 6214117), (46, 5403580), (52, 4780090), (56, 4438655), (65, 3824072), (70, 3550924), (91, 2731480), (92, 2701790), (104, 2390045), (115, 2161432), (130, 1912036), (140, 1775462), (161, 1543880), (182, 1365740), (184, 1350895), (230, 1080716), (260, 956018), (280, 887731), (299, 831320), (322, 771940), (364, 682870), (455, 546296), (460, 540358), (520, 478009), (598, 415660), (644, 385970), (728, 341435), (805, 308776), (910, 273148), (920, 270179), (1196, 207830), (1288, 192985), (1495, 166264), (1610, 154388), (1820, 136574), (2093, 118760), (2392, 103915), (2969, 83720), (2990, 83132), (3220, 77194), (3640, 68287), (4186, 59380), (5938, 41860), (5980, 41566), (6440, 38597), (8372, 29690), (10465, 23752), (11876, 20930), (11960, 20783), (14845, 16744)]