266431820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21179}}^1$

素因数の和:21242

約数の個数: 48

約数和(自身を含む): 608459040

約数和(自身を除く): 342027220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 21179, 42358, 84716, 105895, 211790, 360043, 423580, 720086, 783623, 1440172, 1567246, 1800215, 3134492, 3600430, 3918115, 7200860, 7836230, 13321591, 15672460, 26643182, 53286364, 66607955, 133215910, 266431820]

約数ペア:

[(1, 266431820), (2, 133215910), (4, 66607955), (5, 53286364), (10, 26643182), (17, 15672460), (20, 13321591), (34, 7836230), (37, 7200860), (68, 3918115), (74, 3600430), (85, 3134492), (148, 1800215), (170, 1567246), (185, 1440172), (340, 783623), (370, 720086), (629, 423580), (740, 360043), (1258, 211790), (2516, 105895), (3145, 84716), (6290, 42358), (12580, 21179)]