218433180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74297}}^1$

素因数の和:74323

約数の個数: 72

約数和(自身を含む): 711477648

約数和(自身を除く): 493044468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74297, 148594, 222891, 297188, 371485, 445782, 520079, 742970, 891564, 1040158, 1114455, 1485940, 1560237, 2080316, 2228910, 2600395, 3120474, 3640553, 4457820, 5200790, 6240948, 7281106, 7801185, 10401580, 10921659, 14562212, 15602370, 18202765, 21843318, 31204740, 36405530, 43686636, 54608295, 72811060, 109216590, 218433180]

約数ペア:

[(1, 218433180), (2, 109216590), (3, 72811060), (4, 54608295), (5, 43686636), (6, 36405530), (7, 31204740), (10, 21843318), (12, 18202765), (14, 15602370), (15, 14562212), (20, 10921659), (21, 10401580), (28, 7801185), (30, 7281106), (35, 6240948), (42, 5200790), (49, 4457820), (60, 3640553), (70, 3120474), (84, 2600395), (98, 2228910), (105, 2080316), (140, 1560237), (147, 1485940), (196, 1114455), (210, 1040158), (245, 891564), (294, 742970), (420, 520079), (490, 445782), (588, 371485), (735, 297188), (980, 222891), (1470, 148594), (2940, 74297)]