231993440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 645345792

約数和(自身を除く): 413352352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 160, 196, 224, 233, 245, 254, 280, 392, 466, 490, 508, 560, 635, 784, 889, 932, 980, 1016, 1120, 1165, 1270, 1568, 1631, 1778, 1864, 1960, 2032, 2330, 2540, 3262, 3556, 3728, 3920, 4064, 4445, 4660, 5080, 6223, 6524, 7112, 7456, 7840, 8155, 8890, 9320, 10160, 11417, 12446, 13048, 14224, 16310, 17780, 18640, 20320, 22834, 24892, 26096, 28448, 29591, 31115, 32620, 35560, 37280, 45668, 49784, 52192, 57085, 59182, 62230, 65240, 71120, 91336, 99568, 114170, 118364, 124460, 130480, 142240, 147955, 182672, 199136, 207137, 228340, 236728, 248920, 260960, 295910, 365344, 414274, 456680, 473456, 497840, 591820, 828548, 913360, 946912, 995680, 1035685, 1183640, 1449959, 1657096, 1826720, 2071370, 2367280, 2899918, 3314192, 4142740, 4734560, 5799836, 6628384, 7249795, 8285480, 11599672, 14499590, 16570960, 23199344, 28999180, 33141920, 46398688, 57998360, 115996720, 231993440]

約数ペア:

[(1, 231993440), (2, 115996720), (4, 57998360), (5, 46398688), (7, 33141920), (8, 28999180), (10, 23199344), (14, 16570960), (16, 14499590), (20, 11599672), (28, 8285480), (32, 7249795), (35, 6628384), (40, 5799836), (49, 4734560), (56, 4142740), (70, 3314192), (80, 2899918), (98, 2367280), (112, 2071370), (127, 1826720), (140, 1657096), (160, 1449959), (196, 1183640), (224, 1035685), (233, 995680), (245, 946912), (254, 913360), (280, 828548), (392, 591820), (466, 497840), (490, 473456), (508, 456680), (560, 414274), (635, 365344), (784, 295910), (889, 260960), (932, 248920), (980, 236728), (1016, 228340), (1120, 207137), (1165, 199136), (1270, 182672), (1568, 147955), (1631, 142240), (1778, 130480), (1864, 124460), (1960, 118364), (2032, 114170), (2330, 99568), (2540, 91336), (3262, 71120), (3556, 65240), (3728, 62230), (3920, 59182), (4064, 57085), (4445, 52192), (4660, 49784), (5080, 45668), (6223, 37280), (6524, 35560), (7112, 32620), (7456, 31115), (7840, 29591), (8155, 28448), (8890, 26096), (9320, 24892), (10160, 22834), (11417, 20320), (12446, 18640), (13048, 17780), (14224, 16310)]