51590140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 128241792

約数和(自身を除く): 76651652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 863, 980, 1220, 1708, 1726, 2135, 2989, 3452, 4270, 4315, 5978, 6041, 8540, 8630, 11956, 12082, 14945, 17260, 24164, 29890, 30205, 42287, 52643, 59780, 60410, 84574, 105286, 120820, 169148, 210572, 211435, 263215, 368501, 422870, 526430, 737002, 845740, 1052860, 1474004, 1842505, 2579507, 3685010, 5159014, 7370020, 10318028, 12897535, 25795070, 51590140]

約数ペア:

[(1, 51590140), (2, 25795070), (4, 12897535), (5, 10318028), (7, 7370020), (10, 5159014), (14, 3685010), (20, 2579507), (28, 1842505), (35, 1474004), (49, 1052860), (61, 845740), (70, 737002), (98, 526430), (122, 422870), (140, 368501), (196, 263215), (244, 211435), (245, 210572), (305, 169148), (427, 120820), (490, 105286), (610, 84574), (854, 60410), (863, 59780), (980, 52643), (1220, 42287), (1708, 30205), (1726, 29890), (2135, 24164), (2989, 17260), (3452, 14945), (4270, 12082), (4315, 11956), (5978, 8630), (6041, 8540)]