218240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:61

約数の個数: 64

約数和(自身を含む): 587520

約数和(自身を除く): 369280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1364, 1408, 1705, 1760, 1984, 2480, 2728, 3410, 3520, 3968, 4960, 5456, 6820, 7040, 9920, 10912, 13640, 19840, 21824, 27280, 43648, 54560, 109120, 218240]

約数ペア:

[(1, 218240), (2, 109120), (4, 54560), (5, 43648), (8, 27280), (10, 21824), (11, 19840), (16, 13640), (20, 10912), (22, 9920), (31, 7040), (32, 6820), (40, 5456), (44, 4960), (55, 3968), (62, 3520), (64, 3410), (80, 2728), (88, 2480), (110, 1984), (124, 1760), (128, 1705), (155, 1408), (160, 1364), (176, 1240), (220, 992), (248, 880), (310, 704), (320, 682), (341, 640), (352, 620), (440, 496)]