1482740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 3878280

約数和(自身を除く): 2395540

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 89, 98, 119, 140, 170, 178, 196, 238, 245, 340, 356, 445, 476, 490, 595, 623, 833, 890, 980, 1190, 1246, 1513, 1666, 1780, 2380, 2492, 3026, 3115, 3332, 4165, 4361, 6052, 6230, 7565, 8330, 8722, 10591, 12460, 15130, 16660, 17444, 21182, 21805, 30260, 42364, 43610, 52955, 74137, 87220, 105910, 148274, 211820, 296548, 370685, 741370, 1482740]

約数ペア:

[(1, 1482740), (2, 741370), (4, 370685), (5, 296548), (7, 211820), (10, 148274), (14, 105910), (17, 87220), (20, 74137), (28, 52955), (34, 43610), (35, 42364), (49, 30260), (68, 21805), (70, 21182), (85, 17444), (89, 16660), (98, 15130), (119, 12460), (140, 10591), (170, 8722), (178, 8330), (196, 7565), (238, 6230), (245, 6052), (340, 4361), (356, 4165), (445, 3332), (476, 3115), (490, 3026), (595, 2492), (623, 2380), (833, 1780), (890, 1666), (980, 1513), (1190, 1246)]