198539880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21487}}^1$

素因数の和:21519

約数の個数: 128

約数和(自身を含む): 742625280

約数和(自身を除く): 544085400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 21487, 42974, 64461, 85948, 107435, 128922, 150409, 171896, 214870, 236357, 257844, 300818, 322305, 429740, 451227, 472714, 515688, 601636, 644610, 709071, 752045, 859480, 902454, 945428, 1181785, 1203272, 1289220, 1418142, 1504090, 1654499, 1804908, 1890856, 2256135, 2363570, 2578440, 2836284, 3008180, 3308998, 3545355, 3609816, 4512270, 4727140, 4963497, 5672568, 6016360, 6617996, 7090710, 8272495, 9024540, 9454280, 9926994, 13235992, 14181420, 16544990, 18049080, 19853988, 24817485, 28362840, 33089980, 39707976, 49634970, 66179960, 99269940, 198539880]

約数ペア:

[(1, 198539880), (2, 99269940), (3, 66179960), (4, 49634970), (5, 39707976), (6, 33089980), (7, 28362840), (8, 24817485), (10, 19853988), (11, 18049080), (12, 16544990), (14, 14181420), (15, 13235992), (20, 9926994), (21, 9454280), (22, 9024540), (24, 8272495), (28, 7090710), (30, 6617996), (33, 6016360), (35, 5672568), (40, 4963497), (42, 4727140), (44, 4512270), (55, 3609816), (56, 3545355), (60, 3308998), (66, 3008180), (70, 2836284), (77, 2578440), (84, 2363570), (88, 2256135), (105, 1890856), (110, 1804908), (120, 1654499), (132, 1504090), (140, 1418142), (154, 1289220), (165, 1203272), (168, 1181785), (210, 945428), (220, 902454), (231, 859480), (264, 752045), (280, 709071), (308, 644610), (330, 601636), (385, 515688), (420, 472714), (440, 451227), (462, 429740), (616, 322305), (660, 300818), (770, 257844), (840, 236357), (924, 214870), (1155, 171896), (1320, 150409), (1540, 128922), (1848, 107435), (2310, 85948), (3080, 64461), (4620, 42974), (9240, 21487)]