30244340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 72912000

約数和(自身を除く): 42667660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 619, 698, 1238, 1396, 1745, 2443, 2476, 3095, 3490, 4333, 4886, 6190, 6980, 8666, 9772, 12215, 12380, 17332, 21665, 24430, 43330, 48860, 86660, 216031, 432062, 864124, 1080155, 1512217, 2160310, 3024434, 4320620, 6048868, 7561085, 15122170, 30244340]

約数ペア:

[(1, 30244340), (2, 15122170), (4, 7561085), (5, 6048868), (7, 4320620), (10, 3024434), (14, 2160310), (20, 1512217), (28, 1080155), (35, 864124), (70, 432062), (140, 216031), (349, 86660), (619, 48860), (698, 43330), (1238, 24430), (1396, 21665), (1745, 17332), (2443, 12380), (2476, 12215), (3095, 9772), (3490, 8666), (4333, 6980), (4886, 6190)]