291919040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^4$

素因数の和:100

約数の個数: 140

約数和(自身を含む): 838571856

約数和(自身を除く): 546652816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 361, 380, 448, 532, 560, 608, 665, 722, 760, 1064, 1120, 1216, 1330, 1444, 1520, 1805, 2128, 2240, 2527, 2660, 2888, 3040, 3610, 4256, 5054, 5320, 5776, 6080, 6859, 7220, 8512, 10108, 10640, 11552, 12635, 13718, 14440, 20216, 21280, 23104, 25270, 27436, 28880, 34295, 40432, 42560, 48013, 50540, 54872, 57760, 68590, 80864, 96026, 101080, 109744, 115520, 130321, 137180, 161728, 192052, 202160, 219488, 240065, 260642, 274360, 384104, 404320, 438976, 480130, 521284, 548720, 651605, 768208, 808640, 912247, 960260, 1042568, 1097440, 1303210, 1536416, 1824494, 1920520, 2085136, 2194880, 2606420, 3072832, 3648988, 3841040, 4170272, 4561235, 5212840, 7297976, 7682080, 8340544, 9122470, 10425680, 14595952, 15364160, 18244940, 20851360, 29191904, 36489880, 41702720, 58383808, 72979760, 145959520, 291919040]

約数ペア:

[(1, 291919040), (2, 145959520), (4, 72979760), (5, 58383808), (7, 41702720), (8, 36489880), (10, 29191904), (14, 20851360), (16, 18244940), (19, 15364160), (20, 14595952), (28, 10425680), (32, 9122470), (35, 8340544), (38, 7682080), (40, 7297976), (56, 5212840), (64, 4561235), (70, 4170272), (76, 3841040), (80, 3648988), (95, 3072832), (112, 2606420), (133, 2194880), (140, 2085136), (152, 1920520), (160, 1824494), (190, 1536416), (224, 1303210), (266, 1097440), (280, 1042568), (304, 960260), (320, 912247), (361, 808640), (380, 768208), (448, 651605), (532, 548720), (560, 521284), (608, 480130), (665, 438976), (722, 404320), (760, 384104), (1064, 274360), (1120, 260642), (1216, 240065), (1330, 219488), (1444, 202160), (1520, 192052), (1805, 161728), (2128, 137180), (2240, 130321), (2527, 115520), (2660, 109744), (2888, 101080), (3040, 96026), (3610, 80864), (4256, 68590), (5054, 57760), (5320, 54872), (5776, 50540), (6080, 48013), (6859, 42560), (7220, 40432), (8512, 34295), (10108, 28880), (10640, 27436), (11552, 25270), (12635, 23104), (13718, 21280), (14440, 20216)]