2019915980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{7559}}^1$

素因数の和:8030

約数の個数: 48

約数和(自身を含む): 4389396480

約数和(自身を除く): 2369480500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 431, 620, 862, 1724, 2155, 4310, 7559, 8620, 13361, 15118, 26722, 30236, 37795, 53444, 66805, 75590, 133610, 151180, 234329, 267220, 468658, 937316, 1171645, 2343290, 3257929, 4686580, 6515858, 13031716, 16289645, 32579290, 65158580, 100995799, 201991598, 403983196, 504978995, 1009957990, 2019915980]

約数ペア:

[(1, 2019915980), (2, 1009957990), (4, 504978995), (5, 403983196), (10, 201991598), (20, 100995799), (31, 65158580), (62, 32579290), (124, 16289645), (155, 13031716), (310, 6515858), (431, 4686580), (620, 3257929), (862, 2343290), (1724, 1171645), (2155, 937316), (4310, 468658), (7559, 267220), (8620, 234329), (13361, 151180), (15118, 133610), (26722, 75590), (30236, 66805), (37795, 53444)]