207361480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3889}}^1$

素因数の和:3974

約数の個数: 64

約数和(自身を含む): 492940800

約数和(自身を除く): 285579320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 3889, 5332, 6665, 7778, 10664, 13330, 15556, 19445, 26660, 31112, 38890, 53320, 77780, 120559, 155560, 167227, 241118, 334454, 482236, 602795, 668908, 836135, 964472, 1205590, 1337816, 1672270, 2411180, 3344540, 4822360, 5184037, 6689080, 10368074, 20736148, 25920185, 41472296, 51840370, 103680740, 207361480]

約数ペア:

[(1, 207361480), (2, 103680740), (4, 51840370), (5, 41472296), (8, 25920185), (10, 20736148), (20, 10368074), (31, 6689080), (40, 5184037), (43, 4822360), (62, 3344540), (86, 2411180), (124, 1672270), (155, 1337816), (172, 1205590), (215, 964472), (248, 836135), (310, 668908), (344, 602795), (430, 482236), (620, 334454), (860, 241118), (1240, 167227), (1333, 155560), (1720, 120559), (2666, 77780), (3889, 53320), (5332, 38890), (6665, 31112), (7778, 26660), (10664, 19445), (13330, 15556)]