431980040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5711}}^1$

素因数の和:5814

約数の個数: 64

約数和(自身を含む): 1019934720

約数和(自身を除く): 587954680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 5711, 7564, 9455, 11422, 15128, 18910, 22844, 28555, 37820, 45688, 57110, 75640, 114220, 177041, 228440, 348371, 354082, 696742, 708164, 885205, 1393484, 1416328, 1741855, 1770410, 2786968, 3483710, 3540820, 6967420, 7081640, 10799501, 13934840, 21599002, 43198004, 53997505, 86396008, 107995010, 215990020, 431980040]

約数ペア:

[(1, 431980040), (2, 215990020), (4, 107995010), (5, 86396008), (8, 53997505), (10, 43198004), (20, 21599002), (31, 13934840), (40, 10799501), (61, 7081640), (62, 6967420), (122, 3540820), (124, 3483710), (155, 2786968), (244, 1770410), (248, 1741855), (305, 1416328), (310, 1393484), (488, 885205), (610, 708164), (620, 696742), (1220, 354082), (1240, 348371), (1891, 228440), (2440, 177041), (3782, 114220), (5711, 75640), (7564, 57110), (9455, 45688), (11422, 37820), (15128, 28555), (18910, 22844)]