218299520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11003}}^1$

素因数の和:11053

約数の個数: 64

約数和(自身を含む): 538755840

約数和(自身を除く): 320456320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 11003, 19840, 22006, 44012, 55015, 88024, 110030, 176048, 220060, 341093, 352096, 440120, 682186, 704192, 880240, 1364372, 1408384, 1705465, 1760480, 2728744, 3410930, 3520960, 5457488, 6821860, 7041920, 10914976, 13643720, 21829952, 27287440, 43659904, 54574880, 109149760, 218299520]

約数ペア:

[(1, 218299520), (2, 109149760), (4, 54574880), (5, 43659904), (8, 27287440), (10, 21829952), (16, 13643720), (20, 10914976), (31, 7041920), (32, 6821860), (40, 5457488), (62, 3520960), (64, 3410930), (80, 2728744), (124, 1760480), (128, 1705465), (155, 1408384), (160, 1364372), (248, 880240), (310, 704192), (320, 682186), (496, 440120), (620, 352096), (640, 341093), (992, 220060), (1240, 176048), (1984, 110030), (2480, 88024), (3968, 55015), (4960, 44012), (9920, 22006), (11003, 19840)]