197673580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17681}}^1$

素因数の和:17746

約数の個数: 48

約数和(自身を含む): 457468704

約数和(自身を除く): 259795124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 17681, 35362, 70724, 88405, 176810, 229853, 353620, 459706, 760283, 919412, 1149265, 1520566, 2298530, 3041132, 3801415, 4597060, 7602830, 9883679, 15205660, 19767358, 39534716, 49418395, 98836790, 197673580]

約数ペア:

[(1, 197673580), (2, 98836790), (4, 49418395), (5, 39534716), (10, 19767358), (13, 15205660), (20, 9883679), (26, 7602830), (43, 4597060), (52, 3801415), (65, 3041132), (86, 2298530), (130, 1520566), (172, 1149265), (215, 919412), (260, 760283), (430, 459706), (559, 353620), (860, 229853), (1118, 176810), (2236, 88405), (2795, 70724), (5590, 35362), (11180, 17681)]