338419840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 128

約数和(自身を含む): 900227520

約数和(自身を除く): 561807680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 128, 160, 176, 212, 220, 265, 320, 352, 424, 440, 530, 583, 640, 704, 848, 880, 907, 1060, 1166, 1408, 1696, 1760, 1814, 2120, 2332, 2915, 3392, 3520, 3628, 4240, 4535, 4664, 5830, 6784, 7040, 7256, 8480, 9070, 9328, 9977, 11660, 14512, 16960, 18140, 18656, 19954, 23320, 29024, 33920, 36280, 37312, 39908, 46640, 48071, 49885, 58048, 72560, 74624, 79816, 93280, 96142, 99770, 116096, 145120, 159632, 186560, 192284, 199540, 240355, 290240, 319264, 373120, 384568, 399080, 480710, 528781, 580480, 638528, 769136, 798160, 961420, 1057562, 1277056, 1538272, 1596320, 1922840, 2115124, 2643905, 3076544, 3192640, 3845680, 4230248, 5287810, 6153088, 6385280, 7691360, 8460496, 10575620, 15382720, 16920992, 21151240, 30765440, 33841984, 42302480, 67683968, 84604960, 169209920, 338419840]

約数ペア:

[(1, 338419840), (2, 169209920), (4, 84604960), (5, 67683968), (8, 42302480), (10, 33841984), (11, 30765440), (16, 21151240), (20, 16920992), (22, 15382720), (32, 10575620), (40, 8460496), (44, 7691360), (53, 6385280), (55, 6153088), (64, 5287810), (80, 4230248), (88, 3845680), (106, 3192640), (110, 3076544), (128, 2643905), (160, 2115124), (176, 1922840), (212, 1596320), (220, 1538272), (265, 1277056), (320, 1057562), (352, 961420), (424, 798160), (440, 769136), (530, 638528), (583, 580480), (640, 528781), (704, 480710), (848, 399080), (880, 384568), (907, 373120), (1060, 319264), (1166, 290240), (1408, 240355), (1696, 199540), (1760, 192284), (1814, 186560), (2120, 159632), (2332, 145120), (2915, 116096), (3392, 99770), (3520, 96142), (3628, 93280), (4240, 79816), (4535, 74624), (4664, 72560), (5830, 58048), (6784, 49885), (7040, 48071), (7256, 46640), (8480, 39908), (9070, 37312), (9328, 36280), (9977, 33920), (11660, 29024), (14512, 23320), (16960, 19954), (18140, 18656)]