405835136

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 1005312000

約数和(自身を除く): 599476864

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, 266, 304, 434, 448, 496, 532, 589, 608, 769, 868, 896, 992, 1064, 1178, 1216, 1538, 1736, 1984, 2128, 2356, 2432, 3076, 3472, 3968, 4123, 4256, 4712, 5383, 6152, 6944, 8246, 8512, 9424, 10766, 12304, 13888, 14611, 16492, 17024, 18848, 21532, 23839, 24608, 27776, 29222, 32984, 37696, 43064, 47678, 49216, 58444, 65968, 75392, 86128, 95356, 98432, 102277, 116888, 131936, 166873, 172256, 190712, 204554, 233776, 263872, 333746, 344512, 381424, 409108, 452941, 467552, 527744, 667492, 689024, 762848, 818216, 905882, 935104, 1334984, 1525696, 1636432, 1811764, 1870208, 2669968, 3051392, 3170587, 3272864, 3623528, 5339936, 6341174, 6545728, 7247056, 10679872, 12682348, 13091456, 14494112, 21359744, 25364696, 28988224, 50729392, 57976448, 101458784, 202917568, 405835136]

約数ペア:

[(1, 405835136), (2, 202917568), (4, 101458784), (7, 57976448), (8, 50729392), (14, 28988224), (16, 25364696), (19, 21359744), (28, 14494112), (31, 13091456), (32, 12682348), (38, 10679872), (56, 7247056), (62, 6545728), (64, 6341174), (76, 5339936), (112, 3623528), (124, 3272864), (128, 3170587), (133, 3051392), (152, 2669968), (217, 1870208), (224, 1811764), (248, 1636432), (266, 1525696), (304, 1334984), (434, 935104), (448, 905882), (496, 818216), (532, 762848), (589, 689024), (608, 667492), (769, 527744), (868, 467552), (896, 452941), (992, 409108), (1064, 381424), (1178, 344512), (1216, 333746), (1538, 263872), (1736, 233776), (1984, 204554), (2128, 190712), (2356, 172256), (2432, 166873), (3076, 131936), (3472, 116888), (3968, 102277), (4123, 98432), (4256, 95356), (4712, 86128), (5383, 75392), (6152, 65968), (6944, 58444), (8246, 49216), (8512, 47678), (9424, 43064), (10766, 37696), (12304, 32984), (13888, 29222), (14611, 27776), (16492, 24608), (17024, 23839), (18848, 21532)]