64969100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13259}}^1$

素因数の和:13287

約数の個数: 54

約数和(自身を含む): 164012940

約数和(自身を除く): 99043840

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 13259, 26518, 53036, 66295, 92813, 132590, 185626, 265180, 331475, 371252, 464065, 649691, 662950, 928130, 1299382, 1325900, 1856260, 2320325, 2598764, 3248455, 4640650, 6496910, 9281300, 12993820, 16242275, 32484550, 64969100]

約数ペア:

[(1, 64969100), (2, 32484550), (4, 16242275), (5, 12993820), (7, 9281300), (10, 6496910), (14, 4640650), (20, 3248455), (25, 2598764), (28, 2320325), (35, 1856260), (49, 1325900), (50, 1299382), (70, 928130), (98, 662950), (100, 649691), (140, 464065), (175, 371252), (196, 331475), (245, 265180), (350, 185626), (490, 132590), (700, 92813), (980, 66295), (1225, 53036), (2450, 26518), (4900, 13259)]