30987220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1697}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 71886528

約数和(自身を除く): 40899308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1697, 1826, 3394, 3652, 4565, 6788, 8485, 9130, 16970, 18260, 18667, 33940, 37334, 74668, 93335, 140851, 186670, 281702, 373340, 563404, 704255, 1408510, 1549361, 2817020, 3098722, 6197444, 7746805, 15493610, 30987220]

約数ペア:

[(1, 30987220), (2, 15493610), (4, 7746805), (5, 6197444), (10, 3098722), (11, 2817020), (20, 1549361), (22, 1408510), (44, 704255), (55, 563404), (83, 373340), (110, 281702), (166, 186670), (220, 140851), (332, 93335), (415, 74668), (830, 37334), (913, 33940), (1660, 18667), (1697, 18260), (1826, 16970), (3394, 9130), (3652, 8485), (4565, 6788)]