210868140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 192

約数和(自身を含む): 715309056

約数和(自身を除く): 504440916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 83, 84, 92, 105, 115, 138, 140, 161, 166, 210, 230, 249, 263, 276, 322, 332, 345, 415, 420, 460, 483, 498, 526, 581, 644, 690, 789, 805, 830, 966, 996, 1052, 1162, 1245, 1315, 1380, 1578, 1610, 1660, 1743, 1841, 1909, 1932, 2324, 2415, 2490, 2630, 2905, 3156, 3220, 3486, 3682, 3818, 3945, 4830, 4980, 5260, 5523, 5727, 5810, 6049, 6972, 7364, 7636, 7890, 8715, 9205, 9545, 9660, 11046, 11454, 11620, 12098, 13363, 15780, 17430, 18147, 18410, 19090, 21829, 22092, 22908, 24196, 26726, 27615, 28635, 30245, 34860, 36294, 36820, 38180, 40089, 42343, 43658, 53452, 55230, 57270, 60490, 65487, 66815, 72588, 80178, 84686, 87316, 90735, 109145, 110460, 114540, 120980, 127029, 130974, 133630, 152803, 160356, 169372, 181470, 200445, 211715, 218290, 254058, 261948, 267260, 305606, 327435, 362940, 400890, 423430, 436580, 458409, 502067, 508116, 611212, 635145, 654870, 764015, 801780, 846860, 916818, 1004134, 1270290, 1309740, 1506201, 1528030, 1833636, 2008268, 2292045, 2510335, 2540580, 3012402, 3056060, 3514469, 4584090, 5020670, 6024804, 7028938, 7531005, 9168180, 10041340, 10543407, 14057876, 15062010, 17572345, 21086814, 30124020, 35144690, 42173628, 52717035, 70289380, 105434070, 210868140]

約数ペア:

[(1, 210868140), (2, 105434070), (3, 70289380), (4, 52717035), (5, 42173628), (6, 35144690), (7, 30124020), (10, 21086814), (12, 17572345), (14, 15062010), (15, 14057876), (20, 10543407), (21, 10041340), (23, 9168180), (28, 7531005), (30, 7028938), (35, 6024804), (42, 5020670), (46, 4584090), (60, 3514469), (69, 3056060), (70, 3012402), (83, 2540580), (84, 2510335), (92, 2292045), (105, 2008268), (115, 1833636), (138, 1528030), (140, 1506201), (161, 1309740), (166, 1270290), (210, 1004134), (230, 916818), (249, 846860), (263, 801780), (276, 764015), (322, 654870), (332, 635145), (345, 611212), (415, 508116), (420, 502067), (460, 458409), (483, 436580), (498, 423430), (526, 400890), (581, 362940), (644, 327435), (690, 305606), (789, 267260), (805, 261948), (830, 254058), (966, 218290), (996, 211715), (1052, 200445), (1162, 181470), (1245, 169372), (1315, 160356), (1380, 152803), (1578, 133630), (1610, 130974), (1660, 127029), (1743, 120980), (1841, 114540), (1909, 110460), (1932, 109145), (2324, 90735), (2415, 87316), (2490, 84686), (2630, 80178), (2905, 72588), (3156, 66815), (3220, 65487), (3486, 60490), (3682, 57270), (3818, 55230), (3945, 53452), (4830, 43658), (4980, 42343), (5260, 40089), (5523, 38180), (5727, 36820), (5810, 36294), (6049, 34860), (6972, 30245), (7364, 28635), (7636, 27615), (7890, 26726), (8715, 24196), (9205, 22908), (9545, 22092), (9660, 21829), (11046, 19090), (11454, 18410), (11620, 18147), (12098, 17430), (13363, 15780)]