2017445900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{22441}}^1$

素因数の和:22515

約数の個数: 72

約数和(自身を含む): 4675117440

約数和(自身を除く): 2657671540

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 1450, 1550, 1798, 2900, 3100, 3596, 4495, 8990, 17980, 22441, 22475, 44882, 44950, 89764, 89900, 112205, 224410, 448820, 561025, 650789, 695671, 1122050, 1301578, 1391342, 2244100, 2603156, 2782684, 3253945, 3478355, 6507890, 6956710, 13015780, 13913420, 16269725, 17391775, 20174459, 32539450, 34783550, 40348918, 65078900, 69567100, 80697836, 100872295, 201744590, 403489180, 504361475, 1008722950, 2017445900]

約数ペア:

[(1, 2017445900), (2, 1008722950), (4, 504361475), (5, 403489180), (10, 201744590), (20, 100872295), (25, 80697836), (29, 69567100), (31, 65078900), (50, 40348918), (58, 34783550), (62, 32539450), (100, 20174459), (116, 17391775), (124, 16269725), (145, 13913420), (155, 13015780), (290, 6956710), (310, 6507890), (580, 3478355), (620, 3253945), (725, 2782684), (775, 2603156), (899, 2244100), (1450, 1391342), (1550, 1301578), (1798, 1122050), (2900, 695671), (3100, 650789), (3596, 561025), (4495, 448820), (8990, 224410), (17980, 112205), (22441, 89900), (22475, 89764), (44882, 44950)]