61289660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 131392800

約数和(自身を除く): 70103140

約数列:

[1, 2, 4, 5, 10, 20, 131, 149, 157, 262, 298, 314, 524, 596, 628, 655, 745, 785, 1310, 1490, 1570, 2620, 2980, 3140, 19519, 20567, 23393, 39038, 41134, 46786, 78076, 82268, 93572, 97595, 102835, 116965, 195190, 205670, 233930, 390380, 411340, 467860, 3064483, 6128966, 12257932, 15322415, 30644830, 61289660]

約数ペア:

[(1, 61289660), (2, 30644830), (4, 15322415), (5, 12257932), (10, 6128966), (20, 3064483), (131, 467860), (149, 411340), (157, 390380), (262, 233930), (298, 205670), (314, 195190), (524, 116965), (596, 102835), (628, 97595), (655, 93572), (745, 82268), (785, 78076), (1310, 46786), (1490, 41134), (1570, 39038), (2620, 23393), (2980, 20567), (3140, 19519)]