312774420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{744701}}^1$

素因数の和:744720

約数の個数: 48

約数和(自身を含む): 1000879488

約数和(自身を除く): 688105068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 744701, 1489402, 2234103, 2978804, 3723505, 4468206, 5212907, 7447010, 8936412, 10425814, 11170515, 14894020, 15638721, 20851628, 22341030, 26064535, 31277442, 44682060, 52129070, 62554884, 78193605, 104258140, 156387210, 312774420]

約数ペア:

[(1, 312774420), (2, 156387210), (3, 104258140), (4, 78193605), (5, 62554884), (6, 52129070), (7, 44682060), (10, 31277442), (12, 26064535), (14, 22341030), (15, 20851628), (20, 15638721), (21, 14894020), (28, 11170515), (30, 10425814), (35, 8936412), (42, 7447010), (60, 5212907), (70, 4468206), (84, 3723505), (105, 2978804), (140, 2234103), (210, 1489402), (420, 744701)]