253781920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{653}}^1$

素因数の和:1022

約数の個数: 96

約数和(自身を含む): 688238208

約数和(自身を除く): 434456288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 347, 560, 653, 694, 1120, 1306, 1388, 1735, 2429, 2612, 2776, 3265, 3470, 4571, 4858, 5224, 5552, 6530, 6940, 9142, 9716, 10448, 11104, 12145, 13060, 13880, 18284, 19432, 20896, 22855, 24290, 26120, 27760, 36568, 38864, 45710, 48580, 52240, 55520, 73136, 77728, 91420, 97160, 104480, 146272, 182840, 194320, 226591, 365680, 388640, 453182, 731360, 906364, 1132955, 1586137, 1812728, 2265910, 3172274, 3625456, 4531820, 6344548, 7250912, 7930685, 9063640, 12689096, 15861370, 18127280, 25378192, 31722740, 36254560, 50756384, 63445480, 126890960, 253781920]

約数ペア:

[(1, 253781920), (2, 126890960), (4, 63445480), (5, 50756384), (7, 36254560), (8, 31722740), (10, 25378192), (14, 18127280), (16, 15861370), (20, 12689096), (28, 9063640), (32, 7930685), (35, 7250912), (40, 6344548), (56, 4531820), (70, 3625456), (80, 3172274), (112, 2265910), (140, 1812728), (160, 1586137), (224, 1132955), (280, 906364), (347, 731360), (560, 453182), (653, 388640), (694, 365680), (1120, 226591), (1306, 194320), (1388, 182840), (1735, 146272), (2429, 104480), (2612, 97160), (2776, 91420), (3265, 77728), (3470, 73136), (4571, 55520), (4858, 52240), (5224, 48580), (5552, 45710), (6530, 38864), (6940, 36568), (9142, 27760), (9716, 26120), (10448, 24290), (11104, 22855), (12145, 20896), (13060, 19432), (13880, 18284)]