30403912

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 73005030

約数和(自身を除く): 42601118

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 641, 847, 968, 1078, 1282, 1694, 2156, 2564, 3388, 4312, 4487, 5128, 5929, 6776, 7051, 8974, 11858, 14102, 17948, 23716, 28204, 31409, 35896, 47432, 49357, 56408, 62818, 77561, 98714, 125636, 155122, 197428, 251272, 310244, 345499, 394856, 542927, 620488, 690998, 1085854, 1381996, 2171708, 2763992, 3800489, 4343416, 7600978, 15201956, 30403912]

約数ペア:

[(1, 30403912), (2, 15201956), (4, 7600978), (7, 4343416), (8, 3800489), (11, 2763992), (14, 2171708), (22, 1381996), (28, 1085854), (44, 690998), (49, 620488), (56, 542927), (77, 394856), (88, 345499), (98, 310244), (121, 251272), (154, 197428), (196, 155122), (242, 125636), (308, 98714), (392, 77561), (484, 62818), (539, 56408), (616, 49357), (641, 47432), (847, 35896), (968, 31409), (1078, 28204), (1282, 23716), (1694, 17948), (2156, 14102), (2564, 11858), (3388, 8974), (4312, 7051), (4487, 6776), (5128, 5929)]