213842960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 539798784

約数和(自身を除く): 325955824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 163, 184, 230, 248, 310, 326, 368, 460, 496, 529, 620, 652, 713, 815, 920, 1058, 1240, 1304, 1426, 1630, 1840, 2116, 2480, 2608, 2645, 2852, 3260, 3565, 3749, 4232, 5053, 5290, 5704, 6520, 7130, 7498, 8464, 10106, 10580, 11408, 13040, 14260, 14996, 16399, 18745, 20212, 21160, 25265, 28520, 29992, 32798, 37490, 40424, 42320, 50530, 57040, 59984, 65596, 74980, 80848, 81995, 86227, 101060, 116219, 131192, 149960, 163990, 172454, 202120, 232438, 262384, 299920, 327980, 344908, 404240, 431135, 464876, 581095, 655960, 689816, 862270, 929752, 1162190, 1311920, 1379632, 1724540, 1859504, 2324380, 2673037, 3449080, 4648760, 5346074, 6898160, 9297520, 10692148, 13365185, 21384296, 26730370, 42768592, 53460740, 106921480, 213842960]

約数ペア:

[(1, 213842960), (2, 106921480), (4, 53460740), (5, 42768592), (8, 26730370), (10, 21384296), (16, 13365185), (20, 10692148), (23, 9297520), (31, 6898160), (40, 5346074), (46, 4648760), (62, 3449080), (80, 2673037), (92, 2324380), (115, 1859504), (124, 1724540), (155, 1379632), (163, 1311920), (184, 1162190), (230, 929752), (248, 862270), (310, 689816), (326, 655960), (368, 581095), (460, 464876), (496, 431135), (529, 404240), (620, 344908), (652, 327980), (713, 299920), (815, 262384), (920, 232438), (1058, 202120), (1240, 172454), (1304, 163990), (1426, 149960), (1630, 131192), (1840, 116219), (2116, 101060), (2480, 86227), (2608, 81995), (2645, 80848), (2852, 74980), (3260, 65596), (3565, 59984), (3749, 57040), (4232, 50530), (5053, 42320), (5290, 40424), (5704, 37490), (6520, 32798), (7130, 29992), (7498, 28520), (8464, 25265), (10106, 21160), (10580, 20212), (11408, 18745), (13040, 16399), (14260, 14996)]