1990508688

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28619}}^1$

素因数の和:28666

約数の個数: 160

約数和(自身を含む): 6813849600

約数和(自身を除く): 4823340912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 84, 92, 108, 112, 126, 138, 144, 161, 168, 184, 189, 207, 216, 252, 276, 322, 336, 368, 378, 414, 432, 483, 504, 552, 621, 644, 756, 828, 966, 1008, 1104, 1242, 1288, 1449, 1512, 1656, 1932, 2484, 2576, 2898, 3024, 3312, 3864, 4347, 4968, 5796, 7728, 8694, 9936, 11592, 17388, 23184, 28619, 34776, 57238, 69552, 85857, 114476, 171714, 200333, 228952, 257571, 343428, 400666, 457904, 515142, 600999, 658237, 686856, 772713, 801332, 1030284, 1201998, 1316474, 1373712, 1545426, 1602664, 1802997, 1974711, 2060568, 2403996, 2632948, 3090852, 3205328, 3605994, 3949422, 4121136, 4607659, 4807992, 5265896, 5408991, 5924133, 6181704, 7211988, 7898844, 9215318, 9615984, 10531792, 10817982, 11848266, 12363408, 13822977, 14423976, 15797688, 17772399, 18430636, 21635964, 23696532, 27645954, 28847952, 31595376, 35544798, 36861272, 41468931, 43271928, 47393064, 55291908, 71089596, 73722544, 82937862, 86543856, 94786128, 110583816, 124406793, 142179192, 165875724, 221167632, 248813586, 284358384, 331751448, 497627172, 663502896, 995254344, 1990508688]

約数ペア:

[(1, 1990508688), (2, 995254344), (3, 663502896), (4, 497627172), (6, 331751448), (7, 284358384), (8, 248813586), (9, 221167632), (12, 165875724), (14, 142179192), (16, 124406793), (18, 110583816), (21, 94786128), (23, 86543856), (24, 82937862), (27, 73722544), (28, 71089596), (36, 55291908), (42, 47393064), (46, 43271928), (48, 41468931), (54, 36861272), (56, 35544798), (63, 31595376), (69, 28847952), (72, 27645954), (84, 23696532), (92, 21635964), (108, 18430636), (112, 17772399), (126, 15797688), (138, 14423976), (144, 13822977), (161, 12363408), (168, 11848266), (184, 10817982), (189, 10531792), (207, 9615984), (216, 9215318), (252, 7898844), (276, 7211988), (322, 6181704), (336, 5924133), (368, 5408991), (378, 5265896), (414, 4807992), (432, 4607659), (483, 4121136), (504, 3949422), (552, 3605994), (621, 3205328), (644, 3090852), (756, 2632948), (828, 2403996), (966, 2060568), (1008, 1974711), (1104, 1802997), (1242, 1602664), (1288, 1545426), (1449, 1373712), (1512, 1316474), (1656, 1201998), (1932, 1030284), (2484, 801332), (2576, 772713), (2898, 686856), (3024, 658237), (3312, 600999), (3864, 515142), (4347, 457904), (4968, 400666), (5796, 343428), (7728, 257571), (8694, 228952), (9936, 200333), (11592, 171714), (17388, 114476), (23184, 85857), (28619, 69552), (34776, 57238)]