2018907220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1259}}^1$

素因数の和:1513

約数の個数: 96

約数和(自身を含む): 4778040960

約数和(自身を除く): 2759133740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 197, 220, 370, 394, 407, 740, 788, 814, 985, 1259, 1628, 1970, 2035, 2167, 2518, 3940, 4070, 4334, 5036, 6295, 7289, 8140, 8668, 10835, 12590, 13849, 14578, 21670, 25180, 27698, 29156, 36445, 43340, 46583, 55396, 69245, 72890, 80179, 93166, 138490, 145780, 160358, 186332, 232915, 248023, 276980, 320716, 400895, 465830, 496046, 512413, 801790, 931660, 992092, 1024826, 1240115, 1603580, 2049652, 2480230, 2562065, 2728253, 4960460, 5124130, 5456506, 9176851, 10248260, 10913012, 13641265, 18353702, 27282530, 36707404, 45884255, 54565060, 91768510, 100945361, 183537020, 201890722, 403781444, 504726805, 1009453610, 2018907220]

約数ペア:

[(1, 2018907220), (2, 1009453610), (4, 504726805), (5, 403781444), (10, 201890722), (11, 183537020), (20, 100945361), (22, 91768510), (37, 54565060), (44, 45884255), (55, 36707404), (74, 27282530), (110, 18353702), (148, 13641265), (185, 10913012), (197, 10248260), (220, 9176851), (370, 5456506), (394, 5124130), (407, 4960460), (740, 2728253), (788, 2562065), (814, 2480230), (985, 2049652), (1259, 1603580), (1628, 1240115), (1970, 1024826), (2035, 992092), (2167, 931660), (2518, 801790), (3940, 512413), (4070, 496046), (4334, 465830), (5036, 400895), (6295, 320716), (7289, 276980), (8140, 248023), (8668, 232915), (10835, 186332), (12590, 160358), (13849, 145780), (14578, 138490), (21670, 93166), (25180, 80179), (27698, 72890), (29156, 69245), (36445, 55396), (43340, 46583)]