284408140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 606154752

約数和(自身を除く): 321746612

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 347, 383, 428, 535, 694, 766, 1070, 1388, 1532, 1735, 1915, 2140, 3470, 3830, 6940, 7660, 37129, 40981, 74258, 81962, 132901, 148516, 163924, 185645, 204905, 265802, 371290, 409810, 531604, 664505, 742580, 819620, 1329010, 2658020, 14220407, 28440814, 56881628, 71102035, 142204070, 284408140]

約数ペア:

[(1, 284408140), (2, 142204070), (4, 71102035), (5, 56881628), (10, 28440814), (20, 14220407), (107, 2658020), (214, 1329010), (347, 819620), (383, 742580), (428, 664505), (535, 531604), (694, 409810), (766, 371290), (1070, 265802), (1388, 204905), (1532, 185645), (1735, 163924), (1915, 148516), (2140, 132901), (3470, 81962), (3830, 74258), (6940, 40981), (7660, 37129)]