28837740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2011}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 81123840

約数和(自身を除く): 52286100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2011, 2390, 2868, 3585, 4022, 4780, 6033, 7170, 8044, 10055, 12066, 14340, 20110, 24132, 30165, 40220, 60330, 120660, 480629, 961258, 1441887, 1922516, 2403145, 2883774, 4806290, 5767548, 7209435, 9612580, 14418870, 28837740]

約数ペア:

[(1, 28837740), (2, 14418870), (3, 9612580), (4, 7209435), (5, 5767548), (6, 4806290), (10, 2883774), (12, 2403145), (15, 1922516), (20, 1441887), (30, 961258), (60, 480629), (239, 120660), (478, 60330), (717, 40220), (956, 30165), (1195, 24132), (1434, 20110), (2011, 14340), (2390, 12066), (2868, 10055), (3585, 8044), (4022, 7170), (4780, 6033)]