328760888920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{8161889}}^1$

素因数の和:8161972

約数の個数: 64

約数和(自身を含む): 793335708000

約数和(自身を除く): 464574819080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 4028, 5035, 8056, 10070, 20140, 40280, 8161889, 16323778, 32647556, 40809445, 65295112, 81618890, 155075891, 163237780, 310151782, 326475560, 432580117, 620303564, 775379455, 865160234, 1240607128, 1550758910, 1730320468, 2162900585, 3101517820, 3460640936, 4325801170, 6203035640, 8219022223, 8651602340, 16438044446, 17303204680, 32876088892, 41095111115, 65752177784, 82190222230, 164380444460, 328760888920]

約数ペア:

[(1, 328760888920), (2, 164380444460), (4, 82190222230), (5, 65752177784), (8, 41095111115), (10, 32876088892), (19, 17303204680), (20, 16438044446), (38, 8651602340), (40, 8219022223), (53, 6203035640), (76, 4325801170), (95, 3460640936), (106, 3101517820), (152, 2162900585), (190, 1730320468), (212, 1550758910), (265, 1240607128), (380, 865160234), (424, 775379455), (530, 620303564), (760, 432580117), (1007, 326475560), (1060, 310151782), (2014, 163237780), (2120, 155075891), (4028, 81618890), (5035, 65295112), (8056, 40809445), (10070, 32647556), (20140, 16323778), (40280, 8161889)]