30995930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 69864444

約数和(自身を除く): 38868514

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 61, 70, 85, 98, 119, 122, 170, 238, 245, 305, 427, 490, 595, 610, 833, 854, 1037, 1190, 1666, 2074, 2135, 2989, 3721, 4165, 4270, 5185, 5978, 7259, 7442, 8330, 10370, 14518, 14945, 18605, 26047, 29890, 36295, 37210, 50813, 52094, 63257, 72590, 101626, 126514, 130235, 182329, 254065, 260470, 316285, 364658, 442799, 508130, 632570, 885598, 911645, 1823290, 2213995, 3099593, 4427990, 6199186, 15497965, 30995930]

約数ペア:

[(1, 30995930), (2, 15497965), (5, 6199186), (7, 4427990), (10, 3099593), (14, 2213995), (17, 1823290), (34, 911645), (35, 885598), (49, 632570), (61, 508130), (70, 442799), (85, 364658), (98, 316285), (119, 260470), (122, 254065), (170, 182329), (238, 130235), (245, 126514), (305, 101626), (427, 72590), (490, 63257), (595, 52094), (610, 50813), (833, 37210), (854, 36295), (1037, 29890), (1190, 26047), (1666, 18605), (2074, 14945), (2135, 14518), (2989, 10370), (3721, 8330), (4165, 7442), (4270, 7259), (5185, 5978)]