291143840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 800150400

約数和(自身を除く): 509006560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 53, 65, 76, 80, 95, 104, 106, 130, 139, 152, 160, 190, 208, 212, 247, 260, 265, 278, 304, 380, 416, 424, 494, 520, 530, 556, 608, 689, 695, 760, 848, 988, 1007, 1040, 1060, 1112, 1235, 1378, 1390, 1520, 1696, 1807, 1976, 2014, 2080, 2120, 2224, 2470, 2641, 2756, 2780, 3040, 3445, 3614, 3952, 4028, 4240, 4448, 4940, 5035, 5282, 5512, 5560, 6890, 7228, 7367, 7904, 8056, 8480, 9035, 9880, 10070, 10564, 11024, 11120, 13091, 13205, 13780, 14456, 14734, 16112, 18070, 19760, 20140, 21128, 22048, 22240, 26182, 26410, 27560, 28912, 29468, 32224, 34333, 36140, 36835, 39520, 40280, 42256, 52364, 52820, 55120, 57824, 58936, 65455, 68666, 72280, 73670, 80560, 84512, 95771, 104728, 105640, 110240, 117872, 130910, 137332, 139973, 144560, 147340, 161120, 171665, 191542, 209456, 211280, 235744, 261820, 274664, 279946, 289120, 294680, 343330, 383084, 418912, 422560, 478855, 523640, 549328, 559892, 589360, 686660, 699865, 766168, 957710, 1047280, 1098656, 1119784, 1178720, 1373320, 1399730, 1532336, 1819649, 1915420, 2094560, 2239568, 2746640, 2799460, 3064672, 3639298, 3830840, 4479136, 5493280, 5598920, 7278596, 7661680, 9098245, 11197840, 14557192, 15323360, 18196490, 22395680, 29114384, 36392980, 58228768, 72785960, 145571920, 291143840]

約数ペア:

[(1, 291143840), (2, 145571920), (4, 72785960), (5, 58228768), (8, 36392980), (10, 29114384), (13, 22395680), (16, 18196490), (19, 15323360), (20, 14557192), (26, 11197840), (32, 9098245), (38, 7661680), (40, 7278596), (52, 5598920), (53, 5493280), (65, 4479136), (76, 3830840), (80, 3639298), (95, 3064672), (104, 2799460), (106, 2746640), (130, 2239568), (139, 2094560), (152, 1915420), (160, 1819649), (190, 1532336), (208, 1399730), (212, 1373320), (247, 1178720), (260, 1119784), (265, 1098656), (278, 1047280), (304, 957710), (380, 766168), (416, 699865), (424, 686660), (494, 589360), (520, 559892), (530, 549328), (556, 523640), (608, 478855), (689, 422560), (695, 418912), (760, 383084), (848, 343330), (988, 294680), (1007, 289120), (1040, 279946), (1060, 274664), (1112, 261820), (1235, 235744), (1378, 211280), (1390, 209456), (1520, 191542), (1696, 171665), (1807, 161120), (1976, 147340), (2014, 144560), (2080, 139973), (2120, 137332), (2224, 130910), (2470, 117872), (2641, 110240), (2756, 105640), (2780, 104728), (3040, 95771), (3445, 84512), (3614, 80560), (3952, 73670), (4028, 72280), (4240, 68666), (4448, 65455), (4940, 58936), (5035, 57824), (5282, 55120), (5512, 52820), (5560, 52364), (6890, 42256), (7228, 40280), (7367, 39520), (7904, 36835), (8056, 36140), (8480, 34333), (9035, 32224), (9880, 29468), (10070, 28912), (10564, 27560), (11024, 26410), (11120, 26182), (13091, 22240), (13205, 22048), (13780, 21128), (14456, 20140), (14734, 19760), (16112, 18070)]