17803940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 47011776

約数和(自身を除く): 29207836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1051, 1210, 1540, 1694, 2102, 2420, 3388, 4204, 4235, 5255, 7357, 8470, 10510, 11561, 14714, 16940, 21020, 23122, 29428, 36785, 46244, 57805, 73570, 80927, 115610, 127171, 147140, 161854, 231220, 254342, 323708, 404635, 508684, 635855, 809270, 890197, 1271710, 1618540, 1780394, 2543420, 3560788, 4450985, 8901970, 17803940]

約数ペア:

[(1, 17803940), (2, 8901970), (4, 4450985), (5, 3560788), (7, 2543420), (10, 1780394), (11, 1618540), (14, 1271710), (20, 890197), (22, 809270), (28, 635855), (35, 508684), (44, 404635), (55, 323708), (70, 254342), (77, 231220), (110, 161854), (121, 147140), (140, 127171), (154, 115610), (220, 80927), (242, 73570), (308, 57805), (385, 46244), (484, 36785), (605, 29428), (770, 23122), (847, 21020), (1051, 16940), (1210, 14714), (1540, 11561), (1694, 10510), (2102, 8470), (2420, 7357), (3388, 5255), (4204, 4235)]