257462240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 730404864

約数和(自身を除く): 472942624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 67, 70, 73, 80, 94, 112, 134, 140, 146, 160, 188, 224, 235, 268, 280, 292, 329, 335, 365, 376, 469, 470, 511, 536, 560, 584, 658, 670, 730, 752, 938, 940, 1022, 1072, 1120, 1168, 1316, 1340, 1460, 1504, 1645, 1876, 1880, 2044, 2144, 2336, 2345, 2555, 2632, 2680, 2920, 3149, 3290, 3431, 3752, 3760, 4088, 4690, 4891, 5110, 5264, 5360, 5840, 6298, 6580, 6862, 7504, 7520, 8176, 9380, 9782, 10220, 10528, 10720, 11680, 12596, 13160, 13724, 15008, 15745, 16352, 17155, 18760, 19564, 20440, 22043, 24017, 24455, 25192, 26320, 27448, 31490, 34237, 34310, 37520, 39128, 40880, 44086, 48034, 48910, 50384, 52640, 54896, 62980, 68474, 68620, 75040, 78256, 81760, 88172, 96068, 97820, 100768, 109792, 110215, 120085, 125960, 136948, 137240, 156512, 171185, 176344, 192136, 195640, 220430, 229877, 240170, 251920, 273896, 274480, 342370, 352688, 384272, 391280, 440860, 459754, 480340, 503840, 547792, 548960, 684740, 705376, 768544, 782560, 881720, 919508, 960680, 1095584, 1149385, 1369480, 1609139, 1763440, 1839016, 1921360, 2298770, 2738960, 3218278, 3526880, 3678032, 3842720, 4597540, 5477920, 6436556, 7356064, 8045695, 9195080, 12873112, 16091390, 18390160, 25746224, 32182780, 36780320, 51492448, 64365560, 128731120, 257462240]

約数ペア:

[(1, 257462240), (2, 128731120), (4, 64365560), (5, 51492448), (7, 36780320), (8, 32182780), (10, 25746224), (14, 18390160), (16, 16091390), (20, 12873112), (28, 9195080), (32, 8045695), (35, 7356064), (40, 6436556), (47, 5477920), (56, 4597540), (67, 3842720), (70, 3678032), (73, 3526880), (80, 3218278), (94, 2738960), (112, 2298770), (134, 1921360), (140, 1839016), (146, 1763440), (160, 1609139), (188, 1369480), (224, 1149385), (235, 1095584), (268, 960680), (280, 919508), (292, 881720), (329, 782560), (335, 768544), (365, 705376), (376, 684740), (469, 548960), (470, 547792), (511, 503840), (536, 480340), (560, 459754), (584, 440860), (658, 391280), (670, 384272), (730, 352688), (752, 342370), (938, 274480), (940, 273896), (1022, 251920), (1072, 240170), (1120, 229877), (1168, 220430), (1316, 195640), (1340, 192136), (1460, 176344), (1504, 171185), (1645, 156512), (1876, 137240), (1880, 136948), (2044, 125960), (2144, 120085), (2336, 110215), (2345, 109792), (2555, 100768), (2632, 97820), (2680, 96068), (2920, 88172), (3149, 81760), (3290, 78256), (3431, 75040), (3752, 68620), (3760, 68474), (4088, 62980), (4690, 54896), (4891, 52640), (5110, 50384), (5264, 48910), (5360, 48034), (5840, 44086), (6298, 40880), (6580, 39128), (6862, 37520), (7504, 34310), (7520, 34237), (8176, 31490), (9380, 27448), (9782, 26320), (10220, 25192), (10528, 24455), (10720, 24017), (11680, 22043), (12596, 20440), (13160, 19564), (13724, 18760), (15008, 17155), (15745, 16352)]