197782060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 499322880

約数和(自身を除く): 301540820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 239, 257, 322, 460, 478, 514, 644, 805, 956, 1028, 1195, 1285, 1610, 1673, 1799, 2390, 2570, 3220, 3346, 3598, 4780, 5140, 5497, 5911, 6692, 7196, 8365, 8995, 10994, 11822, 16730, 17990, 21988, 23644, 27485, 29555, 33460, 35980, 38479, 41377, 54970, 59110, 61423, 76958, 82754, 109940, 118220, 122846, 153916, 165508, 192395, 206885, 245692, 307115, 384790, 413770, 429961, 614230, 769580, 827540, 859922, 1228460, 1412729, 1719844, 2149805, 2825458, 4299610, 5650916, 7063645, 8599220, 9889103, 14127290, 19778206, 28254580, 39556412, 49445515, 98891030, 197782060]

約数ペア:

[(1, 197782060), (2, 98891030), (4, 49445515), (5, 39556412), (7, 28254580), (10, 19778206), (14, 14127290), (20, 9889103), (23, 8599220), (28, 7063645), (35, 5650916), (46, 4299610), (70, 2825458), (92, 2149805), (115, 1719844), (140, 1412729), (161, 1228460), (230, 859922), (239, 827540), (257, 769580), (322, 614230), (460, 429961), (478, 413770), (514, 384790), (644, 307115), (805, 245692), (956, 206885), (1028, 192395), (1195, 165508), (1285, 153916), (1610, 122846), (1673, 118220), (1799, 109940), (2390, 82754), (2570, 76958), (3220, 61423), (3346, 59110), (3598, 54970), (4780, 41377), (5140, 38479), (5497, 35980), (5911, 33460), (6692, 29555), (7196, 27485), (8365, 23644), (8995, 21988), (10994, 17990), (11822, 16730)]