201831440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 492825600

約数和(自身を除く): 290994160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 229, 230, 368, 458, 460, 479, 916, 920, 958, 1145, 1832, 1840, 1916, 2290, 2395, 3664, 3832, 4580, 4790, 5267, 7664, 9160, 9580, 10534, 11017, 18320, 19160, 21068, 22034, 26335, 38320, 42136, 44068, 52670, 55085, 84272, 88136, 105340, 109691, 110170, 176272, 210680, 219382, 220340, 421360, 438764, 440680, 548455, 877528, 881360, 1096910, 1755056, 2193820, 2522893, 4387640, 5045786, 8775280, 10091572, 12614465, 20183144, 25228930, 40366288, 50457860, 100915720, 201831440]

約数ペア:

[(1, 201831440), (2, 100915720), (4, 50457860), (5, 40366288), (8, 25228930), (10, 20183144), (16, 12614465), (20, 10091572), (23, 8775280), (40, 5045786), (46, 4387640), (80, 2522893), (92, 2193820), (115, 1755056), (184, 1096910), (229, 881360), (230, 877528), (368, 548455), (458, 440680), (460, 438764), (479, 421360), (916, 220340), (920, 219382), (958, 210680), (1145, 176272), (1832, 110170), (1840, 109691), (1916, 105340), (2290, 88136), (2395, 84272), (3664, 55085), (3832, 52670), (4580, 44068), (4790, 42136), (5267, 38320), (7664, 26335), (9160, 22034), (9580, 21068), (10534, 19160), (11017, 18320)]