381031168

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 947107840

約数和(自身を除く): 566076672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 112, 124, 128, 133, 152, 217, 224, 248, 256, 266, 304, 361, 434, 448, 496, 532, 589, 608, 722, 868, 896, 992, 1064, 1178, 1216, 1444, 1736, 1792, 1984, 2128, 2356, 2432, 2527, 2888, 3472, 3968, 4123, 4256, 4712, 4864, 5054, 5776, 6859, 6944, 7936, 8246, 8512, 9424, 10108, 11191, 11552, 13718, 13888, 16492, 17024, 18848, 20216, 22382, 23104, 27436, 27776, 32984, 34048, 37696, 40432, 44764, 46208, 48013, 54872, 55552, 65968, 75392, 78337, 80864, 89528, 92416, 96026, 109744, 131936, 150784, 156674, 161728, 179056, 192052, 212629, 219488, 263872, 313348, 323456, 358112, 384104, 425258, 438976, 527744, 626696, 646912, 716224, 768208, 850516, 877952, 1055488, 1253392, 1432448, 1488403, 1536416, 1701032, 1755904, 2506784, 2864896, 2976806, 3072832, 3402064, 5013568, 5953612, 6145664, 6804128, 10027136, 11907224, 12291328, 13608256, 20054272, 23814448, 27216512, 47628896, 54433024, 95257792, 190515584, 381031168]

約数ペア:

[(1, 381031168), (2, 190515584), (4, 95257792), (7, 54433024), (8, 47628896), (14, 27216512), (16, 23814448), (19, 20054272), (28, 13608256), (31, 12291328), (32, 11907224), (38, 10027136), (56, 6804128), (62, 6145664), (64, 5953612), (76, 5013568), (112, 3402064), (124, 3072832), (128, 2976806), (133, 2864896), (152, 2506784), (217, 1755904), (224, 1701032), (248, 1536416), (256, 1488403), (266, 1432448), (304, 1253392), (361, 1055488), (434, 877952), (448, 850516), (496, 768208), (532, 716224), (589, 646912), (608, 626696), (722, 527744), (868, 438976), (896, 425258), (992, 384104), (1064, 358112), (1178, 323456), (1216, 313348), (1444, 263872), (1736, 219488), (1792, 212629), (1984, 192052), (2128, 179056), (2356, 161728), (2432, 156674), (2527, 150784), (2888, 131936), (3472, 109744), (3968, 96026), (4123, 92416), (4256, 89528), (4712, 80864), (4864, 78337), (5054, 75392), (5776, 65968), (6859, 55552), (6944, 54872), (7936, 48013), (8246, 46208), (8512, 44764), (9424, 40432), (10108, 37696), (11191, 34048), (11552, 32984), (13718, 27776), (13888, 27436), (16492, 23104), (17024, 22382), (18848, 20216)]