28409370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 53705190

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 23, 30, 33, 38, 46, 55, 57, 66, 69, 95, 110, 114, 115, 138, 165, 190, 197, 209, 230, 253, 285, 330, 345, 394, 418, 437, 506, 570, 591, 627, 690, 759, 874, 985, 1045, 1182, 1254, 1265, 1311, 1518, 1970, 2090, 2167, 2185, 2530, 2622, 2955, 3135, 3743, 3795, 4334, 4370, 4531, 4807, 5910, 6270, 6501, 6555, 7486, 7590, 9062, 9614, 10835, 11229, 13002, 13110, 13593, 14421, 18715, 21670, 22458, 22655, 24035, 27186, 28842, 32505, 37430, 41173, 45310, 48070, 49841, 56145, 65010, 67965, 72105, 82346, 86089, 99682, 112290, 123519, 135930, 144210, 149523, 172178, 205865, 247038, 249205, 258267, 299046, 411730, 430445, 498410, 516534, 617595, 747615, 860890, 946979, 1235190, 1291335, 1495230, 1893958, 2582670, 2840937, 4734895, 5681874, 9469790, 14204685, 28409370]

約数ペア:

[(1, 28409370), (2, 14204685), (3, 9469790), (5, 5681874), (6, 4734895), (10, 2840937), (11, 2582670), (15, 1893958), (19, 1495230), (22, 1291335), (23, 1235190), (30, 946979), (33, 860890), (38, 747615), (46, 617595), (55, 516534), (57, 498410), (66, 430445), (69, 411730), (95, 299046), (110, 258267), (114, 249205), (115, 247038), (138, 205865), (165, 172178), (190, 149523), (197, 144210), (209, 135930), (230, 123519), (253, 112290), (285, 99682), (330, 86089), (345, 82346), (394, 72105), (418, 67965), (437, 65010), (506, 56145), (570, 49841), (591, 48070), (627, 45310), (690, 41173), (759, 37430), (874, 32505), (985, 28842), (1045, 27186), (1182, 24035), (1254, 22655), (1265, 22458), (1311, 21670), (1518, 18715), (1970, 14421), (2090, 13593), (2167, 13110), (2185, 13002), (2530, 11229), (2622, 10835), (2955, 9614), (3135, 9062), (3743, 7590), (3795, 7486), (4334, 6555), (4370, 6501), (4531, 6270), (4807, 5910)]