220245872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^2$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 565856640

約数和(自身を除く): 345610768

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 97, 112, 133, 152, 154, 176, 194, 209, 266, 304, 308, 388, 418, 532, 616, 679, 776, 836, 1064, 1067, 1232, 1358, 1463, 1552, 1672, 1843, 2128, 2134, 2716, 2926, 3344, 3686, 4268, 5432, 5852, 7372, 7469, 8536, 9409, 10864, 11704, 12901, 14744, 14938, 17072, 18818, 20273, 23408, 25802, 29488, 29876, 37636, 40546, 51604, 59752, 65863, 75272, 81092, 103208, 103499, 119504, 131726, 141911, 150544, 162184, 178771, 206416, 206998, 263452, 283822, 324368, 357542, 413996, 526904, 567644, 715084, 724493, 827992, 1053808, 1135288, 1251397, 1430168, 1448986, 1655984, 1966481, 2270576, 2502794, 2860336, 2897972, 3932962, 5005588, 5795944, 7865924, 10011176, 11591888, 13765367, 15731848, 20022352, 27530734, 31463696, 55061468, 110122936, 220245872]

約数ペア:

[(1, 220245872), (2, 110122936), (4, 55061468), (7, 31463696), (8, 27530734), (11, 20022352), (14, 15731848), (16, 13765367), (19, 11591888), (22, 10011176), (28, 7865924), (38, 5795944), (44, 5005588), (56, 3932962), (76, 2897972), (77, 2860336), (88, 2502794), (97, 2270576), (112, 1966481), (133, 1655984), (152, 1448986), (154, 1430168), (176, 1251397), (194, 1135288), (209, 1053808), (266, 827992), (304, 724493), (308, 715084), (388, 567644), (418, 526904), (532, 413996), (616, 357542), (679, 324368), (776, 283822), (836, 263452), (1064, 206998), (1067, 206416), (1232, 178771), (1358, 162184), (1463, 150544), (1552, 141911), (1672, 131726), (1843, 119504), (2128, 103499), (2134, 103208), (2716, 81092), (2926, 75272), (3344, 65863), (3686, 59752), (4268, 51604), (5432, 40546), (5852, 37636), (7372, 29876), (7469, 29488), (8536, 25802), (9409, 23408), (10864, 20273), (11704, 18818), (12901, 17072), (14744, 14938)]