208882960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:118

約数の個数: 240

約数和(自身を含む): 620585280

約数和(自身を除く): 411702320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 31, 38, 40, 44, 52, 55, 62, 65, 76, 80, 88, 95, 104, 110, 124, 130, 143, 152, 155, 176, 190, 208, 209, 220, 247, 248, 260, 286, 304, 310, 341, 380, 403, 418, 440, 494, 496, 520, 572, 589, 620, 682, 715, 760, 806, 836, 880, 961, 988, 1040, 1045, 1144, 1178, 1235, 1240, 1364, 1430, 1520, 1612, 1672, 1705, 1922, 1976, 2015, 2090, 2288, 2356, 2470, 2480, 2717, 2728, 2860, 2945, 3224, 3344, 3410, 3844, 3952, 4030, 4180, 4433, 4712, 4805, 4940, 5434, 5456, 5720, 5890, 6448, 6479, 6820, 7657, 7688, 8060, 8360, 8866, 9424, 9610, 9880, 10571, 10868, 11440, 11780, 12493, 12958, 13585, 13640, 15314, 15376, 16120, 16720, 17732, 18259, 19220, 19760, 21142, 21736, 22165, 23560, 24986, 25916, 27170, 27280, 30628, 32240, 32395, 35464, 36518, 38285, 38440, 42284, 43472, 44330, 47120, 49972, 51832, 52855, 54340, 61256, 62465, 64790, 70928, 73036, 76570, 76880, 84227, 84568, 88660, 91295, 99944, 103664, 105710, 108680, 122512, 124930, 129580, 137423, 146072, 153140, 168454, 169136, 177320, 182590, 199888, 200849, 211420, 217360, 237367, 249860, 259160, 274846, 292144, 306280, 336908, 354640, 365180, 401698, 421135, 422840, 474734, 499720, 518320, 549692, 612560, 673816, 687115, 730360, 803396, 842270, 845680, 949468, 999440, 1004245, 1099384, 1186835, 1347632, 1374230, 1460720, 1606792, 1684540, 1898936, 2008490, 2198768, 2373670, 2611037, 2748460, 3213584, 3369080, 3797872, 4016980, 4747340, 5222074, 5496920, 6738160, 8033960, 9494680, 10444148, 10993840, 13055185, 16067920, 18989360, 20888296, 26110370, 41776592, 52220740, 104441480, 208882960]

約数ペア:

[(1, 208882960), (2, 104441480), (4, 52220740), (5, 41776592), (8, 26110370), (10, 20888296), (11, 18989360), (13, 16067920), (16, 13055185), (19, 10993840), (20, 10444148), (22, 9494680), (26, 8033960), (31, 6738160), (38, 5496920), (40, 5222074), (44, 4747340), (52, 4016980), (55, 3797872), (62, 3369080), (65, 3213584), (76, 2748460), (80, 2611037), (88, 2373670), (95, 2198768), (104, 2008490), (110, 1898936), (124, 1684540), (130, 1606792), (143, 1460720), (152, 1374230), (155, 1347632), (176, 1186835), (190, 1099384), (208, 1004245), (209, 999440), (220, 949468), (247, 845680), (248, 842270), (260, 803396), (286, 730360), (304, 687115), (310, 673816), (341, 612560), (380, 549692), (403, 518320), (418, 499720), (440, 474734), (494, 422840), (496, 421135), (520, 401698), (572, 365180), (589, 354640), (620, 336908), (682, 306280), (715, 292144), (760, 274846), (806, 259160), (836, 249860), (880, 237367), (961, 217360), (988, 211420), (1040, 200849), (1045, 199888), (1144, 182590), (1178, 177320), (1235, 169136), (1240, 168454), (1364, 153140), (1430, 146072), (1520, 137423), (1612, 129580), (1672, 124930), (1705, 122512), (1922, 108680), (1976, 105710), (2015, 103664), (2090, 99944), (2288, 91295), (2356, 88660), (2470, 84568), (2480, 84227), (2717, 76880), (2728, 76570), (2860, 73036), (2945, 70928), (3224, 64790), (3344, 62465), (3410, 61256), (3844, 54340), (3952, 52855), (4030, 51832), (4180, 49972), (4433, 47120), (4712, 44330), (4805, 43472), (4940, 42284), (5434, 38440), (5456, 38285), (5720, 36518), (5890, 35464), (6448, 32395), (6479, 32240), (6820, 30628), (7657, 27280), (7688, 27170), (8060, 25916), (8360, 24986), (8866, 23560), (9424, 22165), (9610, 21736), (9880, 21142), (10571, 19760), (10868, 19220), (11440, 18259), (11780, 17732), (12493, 16720), (12958, 16120), (13585, 15376), (13640, 15314)]