290881640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 819979200

約数和(自身を除く): 529097560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 73, 76, 95, 98, 107, 133, 140, 146, 152, 190, 196, 214, 245, 266, 280, 292, 365, 380, 392, 428, 490, 511, 532, 535, 584, 665, 730, 749, 760, 856, 931, 980, 1022, 1064, 1070, 1330, 1387, 1460, 1498, 1862, 1960, 2033, 2044, 2140, 2555, 2660, 2774, 2920, 2996, 3577, 3724, 3745, 4066, 4088, 4280, 4655, 5110, 5243, 5320, 5548, 5992, 6935, 7154, 7448, 7490, 7811, 8132, 9310, 9709, 10165, 10220, 10486, 11096, 13870, 14231, 14308, 14980, 15622, 16264, 17885, 18620, 19418, 20330, 20440, 20972, 26215, 27740, 28462, 28616, 29960, 31244, 35770, 37240, 38836, 39055, 40660, 41944, 48545, 52430, 54677, 55480, 56924, 62488, 67963, 71155, 71540, 77672, 78110, 81320, 97090, 99617, 104860, 109354, 113848, 135926, 142310, 143080, 148409, 156220, 194180, 199234, 209720, 218708, 271852, 273385, 284620, 296818, 312440, 339815, 382739, 388360, 398468, 437416, 498085, 543704, 546770, 569240, 593636, 679630, 742045, 765478, 796936, 996170, 1038863, 1093540, 1187272, 1359260, 1484090, 1530956, 1913695, 1992340, 2077726, 2187080, 2718520, 2968180, 3061912, 3827390, 3984680, 4155452, 5194315, 5936360, 7272041, 7654780, 8310904, 10388630, 14544082, 15309560, 20777260, 29088164, 36360205, 41554520, 58176328, 72720410, 145440820, 290881640]

約数ペア:

[(1, 290881640), (2, 145440820), (4, 72720410), (5, 58176328), (7, 41554520), (8, 36360205), (10, 29088164), (14, 20777260), (19, 15309560), (20, 14544082), (28, 10388630), (35, 8310904), (38, 7654780), (40, 7272041), (49, 5936360), (56, 5194315), (70, 4155452), (73, 3984680), (76, 3827390), (95, 3061912), (98, 2968180), (107, 2718520), (133, 2187080), (140, 2077726), (146, 1992340), (152, 1913695), (190, 1530956), (196, 1484090), (214, 1359260), (245, 1187272), (266, 1093540), (280, 1038863), (292, 996170), (365, 796936), (380, 765478), (392, 742045), (428, 679630), (490, 593636), (511, 569240), (532, 546770), (535, 543704), (584, 498085), (665, 437416), (730, 398468), (749, 388360), (760, 382739), (856, 339815), (931, 312440), (980, 296818), (1022, 284620), (1064, 273385), (1070, 271852), (1330, 218708), (1387, 209720), (1460, 199234), (1498, 194180), (1862, 156220), (1960, 148409), (2033, 143080), (2044, 142310), (2140, 135926), (2555, 113848), (2660, 109354), (2774, 104860), (2920, 99617), (2996, 97090), (3577, 81320), (3724, 78110), (3745, 77672), (4066, 71540), (4088, 71155), (4280, 67963), (4655, 62488), (5110, 56924), (5243, 55480), (5320, 54677), (5548, 52430), (5992, 48545), (6935, 41944), (7154, 40660), (7448, 39055), (7490, 38836), (7811, 37240), (8132, 35770), (9310, 31244), (9709, 29960), (10165, 28616), (10220, 28462), (10486, 27740), (11096, 26215), (13870, 20972), (14231, 20440), (14308, 20330), (14980, 19418), (15622, 18620), (16264, 17885)]