249439886450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1451}}^1\times {\mathrm{110909}}^1$

素因数の和:112403

約数の個数: 48

約数和(自身を含む): 479258968320

約数和(自身を除く): 229819081870

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1451, 1550, 2902, 7255, 14510, 36275, 44981, 72550, 89962, 110909, 221818, 224905, 449810, 554545, 1109090, 1124525, 2249050, 2772725, 3438179, 5545450, 6876358, 17190895, 34381790, 85954475, 160928959, 171908950, 321857918, 804644795, 1609289590, 4023223975, 4988797729, 8046447950, 9977595458, 24943988645, 49887977290, 124719943225, 249439886450]

約数ペア:

[(1, 249439886450), (2, 124719943225), (5, 49887977290), (10, 24943988645), (25, 9977595458), (31, 8046447950), (50, 4988797729), (62, 4023223975), (155, 1609289590), (310, 804644795), (775, 321857918), (1451, 171908950), (1550, 160928959), (2902, 85954475), (7255, 34381790), (14510, 17190895), (36275, 6876358), (44981, 5545450), (72550, 3438179), (89962, 2772725), (110909, 2249050), (221818, 1124525), (224905, 1109090), (449810, 554545)]