1780997148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{371971}}^1$

素因数の和:372007

約数の個数: 72

約数和(自身を含む): 5415912320

約数和(自身を除く): 3634915172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 371971, 743942, 1115913, 1487884, 2231826, 2603797, 3347739, 4463652, 5207594, 6695478, 7067449, 7811391, 10415188, 13390956, 14134898, 15622782, 21202347, 23434173, 28269796, 31245564, 42404694, 46868346, 49472143, 63607041, 84809388, 93736692, 98944286, 127214082, 148416429, 197888572, 254428164, 296832858, 445249287, 593665716, 890498574, 1780997148]

約数ペア:

[(1, 1780997148), (2, 890498574), (3, 593665716), (4, 445249287), (6, 296832858), (7, 254428164), (9, 197888572), (12, 148416429), (14, 127214082), (18, 98944286), (19, 93736692), (21, 84809388), (28, 63607041), (36, 49472143), (38, 46868346), (42, 42404694), (57, 31245564), (63, 28269796), (76, 23434173), (84, 21202347), (114, 15622782), (126, 14134898), (133, 13390956), (171, 10415188), (228, 7811391), (252, 7067449), (266, 6695478), (342, 5207594), (399, 4463652), (532, 3347739), (684, 2603797), (798, 2231826), (1197, 1487884), (1596, 1115913), (2394, 743942), (4788, 371971)]