140438480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 160

約数和(自身を含む): 407973888

約数和(自身を除く): 267535408

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 101, 104, 112, 130, 140, 182, 191, 202, 208, 260, 280, 364, 382, 404, 455, 505, 520, 560, 707, 728, 764, 808, 910, 955, 1010, 1040, 1313, 1337, 1414, 1456, 1528, 1616, 1820, 1910, 2020, 2483, 2626, 2674, 2828, 3056, 3535, 3640, 3820, 4040, 4966, 5252, 5348, 5656, 6565, 6685, 7070, 7280, 7640, 8080, 9191, 9932, 10504, 10696, 11312, 12415, 13130, 13370, 14140, 15280, 17381, 18382, 19291, 19864, 21008, 21392, 24830, 26260, 26740, 28280, 34762, 36764, 38582, 39728, 45955, 49660, 52520, 53480, 56560, 69524, 73528, 77164, 86905, 91910, 96455, 99320, 105040, 106960, 135037, 139048, 147056, 154328, 173810, 183820, 192910, 198640, 250783, 270074, 278096, 308656, 347620, 367640, 385820, 501566, 540148, 675185, 695240, 735280, 771640, 1003132, 1080296, 1253915, 1350370, 1390480, 1543280, 1755481, 2006264, 2160592, 2507830, 2700740, 3510962, 4012528, 5015660, 5401480, 7021924, 8777405, 10031320, 10802960, 14043848, 17554810, 20062640, 28087696, 35109620, 70219240, 140438480]

約数ペア:

[(1, 140438480), (2, 70219240), (4, 35109620), (5, 28087696), (7, 20062640), (8, 17554810), (10, 14043848), (13, 10802960), (14, 10031320), (16, 8777405), (20, 7021924), (26, 5401480), (28, 5015660), (35, 4012528), (40, 3510962), (52, 2700740), (56, 2507830), (65, 2160592), (70, 2006264), (80, 1755481), (91, 1543280), (101, 1390480), (104, 1350370), (112, 1253915), (130, 1080296), (140, 1003132), (182, 771640), (191, 735280), (202, 695240), (208, 675185), (260, 540148), (280, 501566), (364, 385820), (382, 367640), (404, 347620), (455, 308656), (505, 278096), (520, 270074), (560, 250783), (707, 198640), (728, 192910), (764, 183820), (808, 173810), (910, 154328), (955, 147056), (1010, 139048), (1040, 135037), (1313, 106960), (1337, 105040), (1414, 99320), (1456, 96455), (1528, 91910), (1616, 86905), (1820, 77164), (1910, 73528), (2020, 69524), (2483, 56560), (2626, 53480), (2674, 52520), (2828, 49660), (3056, 45955), (3535, 39728), (3640, 38582), (3820, 36764), (4040, 34762), (4966, 28280), (5252, 26740), (5348, 26260), (5656, 24830), (6565, 21392), (6685, 21008), (7070, 19864), (7280, 19291), (7640, 18382), (8080, 17381), (9191, 15280), (9932, 14140), (10504, 13370), (10696, 13130), (11312, 12415)]