214799140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 459817344

約数和(自身を除く): 245018204

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 331, 355, 457, 662, 710, 914, 1324, 1420, 1655, 1828, 2285, 3310, 4570, 6620, 9140, 23501, 32447, 47002, 64894, 94004, 117505, 129788, 151267, 162235, 235010, 302534, 324470, 470020, 605068, 648940, 756335, 1512670, 3025340, 10739957, 21479914, 42959828, 53699785, 107399570, 214799140]

約数ペア:

[(1, 214799140), (2, 107399570), (4, 53699785), (5, 42959828), (10, 21479914), (20, 10739957), (71, 3025340), (142, 1512670), (284, 756335), (331, 648940), (355, 605068), (457, 470020), (662, 324470), (710, 302534), (914, 235010), (1324, 162235), (1420, 151267), (1655, 129788), (1828, 117505), (2285, 94004), (3310, 64894), (4570, 47002), (6620, 32447), (9140, 23501)]