42400820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2503}}^1$

素因数の和:2541

約数の個数: 72

約数和(自身を含む): 111898752

約数和(自身を除く): 69497932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 2503, 3388, 4235, 5006, 8470, 10012, 12515, 16940, 17521, 25030, 27533, 35042, 50060, 55066, 70084, 87605, 110132, 137665, 175210, 192731, 275330, 302863, 350420, 385462, 550660, 605726, 770924, 963655, 1211452, 1514315, 1927310, 2120041, 3028630, 3854620, 4240082, 6057260, 8480164, 10600205, 21200410, 42400820]

約数ペア:

[(1, 42400820), (2, 21200410), (4, 10600205), (5, 8480164), (7, 6057260), (10, 4240082), (11, 3854620), (14, 3028630), (20, 2120041), (22, 1927310), (28, 1514315), (35, 1211452), (44, 963655), (55, 770924), (70, 605726), (77, 550660), (110, 385462), (121, 350420), (140, 302863), (154, 275330), (220, 192731), (242, 175210), (308, 137665), (385, 110132), (484, 87605), (605, 70084), (770, 55066), (847, 50060), (1210, 35042), (1540, 27533), (1694, 25030), (2420, 17521), (2503, 16940), (3388, 12515), (4235, 10012), (5006, 8470)]