2019535540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{2467}}^1$

素因数の和:2609

約数の個数: 72

約数和(自身を含む): 4705567776

約数和(自身を除く): 2686032236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2467, 2684, 3355, 3721, 4934, 6710, 7442, 9868, 12335, 13420, 14884, 18605, 24670, 27137, 37210, 40931, 49340, 54274, 74420, 81862, 108548, 135685, 150487, 163724, 204655, 271370, 300974, 409310, 542740, 601948, 752435, 818620, 1504870, 1655357, 3009740, 3310714, 6621428, 8276785, 9179707, 16553570, 18359414, 33107140, 36718828, 45898535, 91797070, 100976777, 183594140, 201953554, 403907108, 504883885, 1009767770, 2019535540]

約数ペア:

[(1, 2019535540), (2, 1009767770), (4, 504883885), (5, 403907108), (10, 201953554), (11, 183594140), (20, 100976777), (22, 91797070), (44, 45898535), (55, 36718828), (61, 33107140), (110, 18359414), (122, 16553570), (220, 9179707), (244, 8276785), (305, 6621428), (610, 3310714), (671, 3009740), (1220, 1655357), (1342, 1504870), (2467, 818620), (2684, 752435), (3355, 601948), (3721, 542740), (4934, 409310), (6710, 300974), (7442, 271370), (9868, 204655), (12335, 163724), (13420, 150487), (14884, 135685), (18605, 108548), (24670, 81862), (27137, 74420), (37210, 54274), (40931, 49340)]