163874620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 454476960

約数和(自身を除く): 290602340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 532, 637, 665, 677, 910, 931, 980, 988, 1235, 1274, 1330, 1354, 1729, 1820, 1862, 2470, 2548, 2660, 2708, 3185, 3385, 3458, 3724, 4655, 4739, 4940, 6370, 6770, 6916, 8645, 8801, 9310, 9478, 12103, 12740, 12863, 13540, 17290, 17602, 18620, 18956, 23695, 24206, 25726, 33173, 34580, 35204, 44005, 47390, 48412, 51452, 60515, 61607, 64315, 66346, 88010, 90041, 94780, 121030, 123214, 128630, 132692, 165865, 167219, 176020, 180082, 242060, 246428, 257260, 308035, 331730, 334438, 360164, 431249, 450205, 616070, 630287, 663460, 668876, 836095, 862498, 900410, 1170533, 1232140, 1260574, 1672190, 1724996, 1800820, 2156245, 2341066, 2521148, 3151435, 3344380, 4312490, 4682132, 5852665, 6302870, 8193731, 8624980, 11705330, 12605740, 16387462, 23410660, 32774924, 40968655, 81937310, 163874620]

約数ペア:

[(1, 163874620), (2, 81937310), (4, 40968655), (5, 32774924), (7, 23410660), (10, 16387462), (13, 12605740), (14, 11705330), (19, 8624980), (20, 8193731), (26, 6302870), (28, 5852665), (35, 4682132), (38, 4312490), (49, 3344380), (52, 3151435), (65, 2521148), (70, 2341066), (76, 2156245), (91, 1800820), (95, 1724996), (98, 1672190), (130, 1260574), (133, 1232140), (140, 1170533), (182, 900410), (190, 862498), (196, 836095), (245, 668876), (247, 663460), (260, 630287), (266, 616070), (364, 450205), (380, 431249), (455, 360164), (490, 334438), (494, 331730), (532, 308035), (637, 257260), (665, 246428), (677, 242060), (910, 180082), (931, 176020), (980, 167219), (988, 165865), (1235, 132692), (1274, 128630), (1330, 123214), (1354, 121030), (1729, 94780), (1820, 90041), (1862, 88010), (2470, 66346), (2548, 64315), (2660, 61607), (2708, 60515), (3185, 51452), (3385, 48412), (3458, 47390), (3724, 44005), (4655, 35204), (4739, 34580), (4940, 33173), (6370, 25726), (6770, 24206), (6916, 23695), (8645, 18956), (8801, 18620), (9310, 17602), (9478, 17290), (12103, 13540), (12740, 12863)]