7980700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 21338912

約数和(自身を除く): 13358212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 877, 910, 1300, 1754, 1820, 2275, 3508, 4385, 4550, 6139, 8770, 9100, 11401, 12278, 17540, 21925, 22802, 24556, 30695, 43850, 45604, 57005, 61390, 79807, 87700, 114010, 122780, 153475, 159614, 228020, 285025, 306950, 319228, 399035, 570050, 613900, 798070, 1140100, 1596140, 1995175, 3990350, 7980700]

約数ペア:

[(1, 7980700), (2, 3990350), (4, 1995175), (5, 1596140), (7, 1140100), (10, 798070), (13, 613900), (14, 570050), (20, 399035), (25, 319228), (26, 306950), (28, 285025), (35, 228020), (50, 159614), (52, 153475), (65, 122780), (70, 114010), (91, 87700), (100, 79807), (130, 61390), (140, 57005), (175, 45604), (182, 43850), (260, 30695), (325, 24556), (350, 22802), (364, 21925), (455, 17540), (650, 12278), (700, 11401), (877, 9100), (910, 8770), (1300, 6139), (1754, 4550), (1820, 4385), (2275, 3508)]