3972340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 8870400

約数和(自身を除く): 4898060

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 149, 155, 172, 215, 298, 310, 430, 596, 620, 745, 860, 1333, 1490, 2666, 2980, 4619, 5332, 6407, 6665, 9238, 12814, 13330, 18476, 23095, 25628, 26660, 32035, 46190, 64070, 92380, 128140, 198617, 397234, 794468, 993085, 1986170, 3972340]

約数ペア:

[(1, 3972340), (2, 1986170), (4, 993085), (5, 794468), (10, 397234), (20, 198617), (31, 128140), (43, 92380), (62, 64070), (86, 46190), (124, 32035), (149, 26660), (155, 25628), (172, 23095), (215, 18476), (298, 13330), (310, 12814), (430, 9238), (596, 6665), (620, 6407), (745, 5332), (860, 4619), (1333, 2980), (1490, 2666)]