89720900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 208814760

約数和(自身を除く): 119093860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 445, 593, 850, 890, 1186, 1513, 1700, 1780, 2225, 2372, 2965, 3026, 4450, 5930, 6052, 7565, 8900, 10081, 11860, 14825, 15130, 20162, 29650, 30260, 37825, 40324, 50405, 52777, 59300, 75650, 100810, 105554, 151300, 201620, 211108, 252025, 263885, 504050, 527770, 897209, 1008100, 1055540, 1319425, 1794418, 2638850, 3588836, 4486045, 5277700, 8972090, 17944180, 22430225, 44860450, 89720900]

約数ペア:

[(1, 89720900), (2, 44860450), (4, 22430225), (5, 17944180), (10, 8972090), (17, 5277700), (20, 4486045), (25, 3588836), (34, 2638850), (50, 1794418), (68, 1319425), (85, 1055540), (89, 1008100), (100, 897209), (170, 527770), (178, 504050), (340, 263885), (356, 252025), (425, 211108), (445, 201620), (593, 151300), (850, 105554), (890, 100810), (1186, 75650), (1513, 59300), (1700, 52777), (1780, 50405), (2225, 40324), (2372, 37825), (2965, 30260), (3026, 29650), (4450, 20162), (5930, 15130), (6052, 14825), (7565, 11860), (8900, 10081)]