191866920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9931}}^1$

素因数の和:9975

約数の個数: 128

約数和(自身を含む): 686499840

約数和(自身を除く): 494632920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 9931, 19320, 19862, 29793, 39724, 49655, 59586, 69517, 79448, 99310, 119172, 139034, 148965, 198620, 208551, 228413, 238344, 278068, 297930, 347585, 397240, 417102, 456826, 556136, 595860, 685239, 695170, 834204, 913652, 1042755, 1142065, 1191720, 1370478, 1390340, 1598891, 1668408, 1827304, 2085510, 2284130, 2740956, 2780680, 3197782, 3426195, 4171020, 4568260, 4796673, 5481912, 6395564, 6852390, 7994455, 8342040, 9136520, 9593346, 12791128, 13704780, 15988910, 19186692, 23983365, 27409560, 31977820, 38373384, 47966730, 63955640, 95933460, 191866920]

約数ペア:

[(1, 191866920), (2, 95933460), (3, 63955640), (4, 47966730), (5, 38373384), (6, 31977820), (7, 27409560), (8, 23983365), (10, 19186692), (12, 15988910), (14, 13704780), (15, 12791128), (20, 9593346), (21, 9136520), (23, 8342040), (24, 7994455), (28, 6852390), (30, 6395564), (35, 5481912), (40, 4796673), (42, 4568260), (46, 4171020), (56, 3426195), (60, 3197782), (69, 2780680), (70, 2740956), (84, 2284130), (92, 2085510), (105, 1827304), (115, 1668408), (120, 1598891), (138, 1390340), (140, 1370478), (161, 1191720), (168, 1142065), (184, 1042755), (210, 913652), (230, 834204), (276, 695170), (280, 685239), (322, 595860), (345, 556136), (420, 456826), (460, 417102), (483, 397240), (552, 347585), (644, 297930), (690, 278068), (805, 238344), (840, 228413), (920, 208551), (966, 198620), (1288, 148965), (1380, 139034), (1610, 119172), (1932, 99310), (2415, 79448), (2760, 69517), (3220, 59586), (3864, 49655), (4830, 39724), (6440, 29793), (9660, 19862), (9931, 19320)]