398402280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3803}}^1$

素因数の和:3920

約数の個数: 128

約数和(自身を含む): 1342051200

約数和(自身を除く): 943648920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 291, 360, 388, 485, 540, 582, 776, 873, 970, 1080, 1164, 1455, 1746, 1940, 2328, 2619, 2910, 3492, 3803, 3880, 4365, 5238, 5820, 6984, 7606, 8730, 10476, 11409, 11640, 13095, 15212, 17460, 19015, 20952, 22818, 26190, 30424, 34227, 34920, 38030, 45636, 52380, 57045, 68454, 76060, 91272, 102681, 104760, 114090, 136908, 152120, 171135, 205362, 228180, 273816, 342270, 368891, 410724, 456360, 513405, 684540, 737782, 821448, 1026810, 1106673, 1369080, 1475564, 1844455, 2053620, 2213346, 2951128, 3320019, 3688910, 4107240, 4426692, 5533365, 6640038, 7377820, 8853384, 9960057, 11066730, 13280076, 14755640, 16600095, 19920114, 22133460, 26560152, 33200190, 39840228, 44266920, 49800285, 66400380, 79680456, 99600570, 132800760, 199201140, 398402280]

約数ペア:

[(1, 398402280), (2, 199201140), (3, 132800760), (4, 99600570), (5, 79680456), (6, 66400380), (8, 49800285), (9, 44266920), (10, 39840228), (12, 33200190), (15, 26560152), (18, 22133460), (20, 19920114), (24, 16600095), (27, 14755640), (30, 13280076), (36, 11066730), (40, 9960057), (45, 8853384), (54, 7377820), (60, 6640038), (72, 5533365), (90, 4426692), (97, 4107240), (108, 3688910), (120, 3320019), (135, 2951128), (180, 2213346), (194, 2053620), (216, 1844455), (270, 1475564), (291, 1369080), (360, 1106673), (388, 1026810), (485, 821448), (540, 737782), (582, 684540), (776, 513405), (873, 456360), (970, 410724), (1080, 368891), (1164, 342270), (1455, 273816), (1746, 228180), (1940, 205362), (2328, 171135), (2619, 152120), (2910, 136908), (3492, 114090), (3803, 104760), (3880, 102681), (4365, 91272), (5238, 76060), (5820, 68454), (6984, 57045), (7606, 52380), (8730, 45636), (10476, 38030), (11409, 34920), (11640, 34227), (13095, 30424), (15212, 26190), (17460, 22818), (19015, 20952)]