215544740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1481}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 478033920

約数和(自身を除く): 262489180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 383, 766, 1481, 1532, 1915, 2962, 3830, 5924, 7277, 7405, 7660, 14554, 14810, 28139, 29108, 29620, 36385, 56278, 72770, 112556, 140695, 145540, 281390, 562780, 567223, 1134446, 2268892, 2836115, 5672230, 10777237, 11344460, 21554474, 43108948, 53886185, 107772370, 215544740]

約数ペア:

[(1, 215544740), (2, 107772370), (4, 53886185), (5, 43108948), (10, 21554474), (19, 11344460), (20, 10777237), (38, 5672230), (76, 2836115), (95, 2268892), (190, 1134446), (380, 567223), (383, 562780), (766, 281390), (1481, 145540), (1532, 140695), (1915, 112556), (2962, 72770), (3830, 56278), (5924, 36385), (7277, 29620), (7405, 29108), (7660, 28139), (14554, 14810)]