2018028100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 4951558080

約数和(自身を除く): 2933529980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 179, 185, 220, 275, 277, 358, 370, 407, 550, 554, 716, 740, 814, 895, 925, 1100, 1108, 1385, 1628, 1790, 1850, 1969, 2035, 2770, 3047, 3580, 3700, 3938, 4070, 4475, 5540, 6094, 6623, 6925, 7876, 8140, 8950, 9845, 10175, 10249, 12188, 13246, 13850, 15235, 17900, 19690, 20350, 20498, 26492, 27700, 30470, 33115, 39380, 40700, 40996, 49225, 49583, 51245, 60940, 66230, 72853, 76175, 98450, 99166, 102490, 112739, 132460, 145706, 152350, 165575, 196900, 198332, 204980, 225478, 247915, 256225, 291412, 304700, 331150, 364265, 450956, 495830, 512450, 545413, 563695, 662300, 728530, 991660, 1024900, 1090826, 1127390, 1239575, 1457060, 1821325, 1834571, 2181652, 2254780, 2479150, 2727065, 2818475, 3642650, 3669142, 4958300, 5454130, 5636950, 7285300, 7338284, 9172855, 10908260, 11273900, 13635325, 18345710, 20180281, 27270650, 36691420, 40360562, 45864275, 54541300, 80721124, 91728550, 100901405, 183457100, 201802810, 403605620, 504507025, 1009014050, 2018028100]

約数ペア:

[(1, 2018028100), (2, 1009014050), (4, 504507025), (5, 403605620), (10, 201802810), (11, 183457100), (20, 100901405), (22, 91728550), (25, 80721124), (37, 54541300), (44, 45864275), (50, 40360562), (55, 36691420), (74, 27270650), (100, 20180281), (110, 18345710), (148, 13635325), (179, 11273900), (185, 10908260), (220, 9172855), (275, 7338284), (277, 7285300), (358, 5636950), (370, 5454130), (407, 4958300), (550, 3669142), (554, 3642650), (716, 2818475), (740, 2727065), (814, 2479150), (895, 2254780), (925, 2181652), (1100, 1834571), (1108, 1821325), (1385, 1457060), (1628, 1239575), (1790, 1127390), (1850, 1090826), (1969, 1024900), (2035, 991660), (2770, 728530), (3047, 662300), (3580, 563695), (3700, 545413), (3938, 512450), (4070, 495830), (4475, 450956), (5540, 364265), (6094, 331150), (6623, 304700), (6925, 291412), (7876, 256225), (8140, 247915), (8950, 225478), (9845, 204980), (10175, 198332), (10249, 196900), (12188, 165575), (13246, 152350), (13850, 145706), (15235, 132460), (17900, 112739), (19690, 102490), (20350, 99166), (20498, 98450), (26492, 76175), (27700, 72853), (30470, 66230), (33115, 60940), (39380, 51245), (40700, 49583), (40996, 49225)]