190020140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7043}}^1$

素因数の和:7142

約数の個数: 48

約数和(自身を含む): 426021120

約数和(自身を除く): 236000980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 7043, 13490, 14086, 26980, 28172, 35215, 70430, 133817, 140860, 267634, 500053, 535268, 669085, 1000106, 1338170, 2000212, 2500265, 2676340, 5000530, 9501007, 10001060, 19002014, 38004028, 47505035, 95010070, 190020140]

約数ペア:

[(1, 190020140), (2, 95010070), (4, 47505035), (5, 38004028), (10, 19002014), (19, 10001060), (20, 9501007), (38, 5000530), (71, 2676340), (76, 2500265), (95, 2000212), (142, 1338170), (190, 1000106), (284, 669085), (355, 535268), (380, 500053), (710, 267634), (1349, 140860), (1420, 133817), (2698, 70430), (5396, 35215), (6745, 28172), (7043, 26980), (13490, 14086)]