280028450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18731}}^1$

素因数の和:18779

約数の個数: 48

約数和(自身を含む): 585337536

約数和(自身を除く): 305309086

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 14950, 18731, 37462, 93655, 187310, 243503, 430813, 468275, 487006, 861626, 936550, 1217515, 2154065, 2435030, 4308130, 5600569, 6087575, 10770325, 11201138, 12175150, 21540650, 28002845, 56005690, 140014225, 280028450]

約数ペア:

[(1, 280028450), (2, 140014225), (5, 56005690), (10, 28002845), (13, 21540650), (23, 12175150), (25, 11201138), (26, 10770325), (46, 6087575), (50, 5600569), (65, 4308130), (115, 2435030), (130, 2154065), (230, 1217515), (299, 936550), (325, 861626), (575, 487006), (598, 468275), (650, 430813), (1150, 243503), (1495, 187310), (2990, 93655), (7475, 37462), (14950, 18731)]