1383156680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{25633}}^1$

素因数の和:25734

約数の個数: 64

約数和(自身を含む): 3322166400

約数和(自身を除く): 1939009720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 25633, 26980, 51266, 53960, 102532, 128165, 205064, 256330, 487027, 512660, 974054, 1025320, 1819943, 1948108, 2435135, 3639886, 3896216, 4870270, 7279772, 9099715, 9740540, 14559544, 18199430, 19481080, 34578917, 36398860, 69157834, 72797720, 138315668, 172894585, 276631336, 345789170, 691578340, 1383156680]

約数ペア:

[(1, 1383156680), (2, 691578340), (4, 345789170), (5, 276631336), (8, 172894585), (10, 138315668), (19, 72797720), (20, 69157834), (38, 36398860), (40, 34578917), (71, 19481080), (76, 18199430), (95, 14559544), (142, 9740540), (152, 9099715), (190, 7279772), (284, 4870270), (355, 3896216), (380, 3639886), (568, 2435135), (710, 1948108), (760, 1819943), (1349, 1025320), (1420, 974054), (2698, 512660), (2840, 487027), (5396, 256330), (6745, 205064), (10792, 128165), (13490, 102532), (25633, 53960), (26980, 51266)]