212140400

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 529318800

約数和(自身を除く): 317178400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 89, 100, 101, 118, 178, 200, 202, 236, 295, 356, 400, 404, 445, 472, 505, 590, 712, 808, 890, 944, 1010, 1180, 1424, 1475, 1616, 1780, 2020, 2225, 2360, 2525, 2950, 3560, 4040, 4450, 4720, 5050, 5251, 5900, 5959, 7120, 8080, 8900, 8989, 10100, 10502, 11800, 11918, 17800, 17978, 20200, 21004, 23600, 23836, 26255, 29795, 35600, 35956, 40400, 42008, 44945, 47672, 52510, 59590, 71912, 84016, 89890, 95344, 105020, 119180, 131275, 143824, 148975, 179780, 210040, 224725, 238360, 262550, 297950, 359560, 420080, 449450, 476720, 525100, 530351, 595900, 719120, 898900, 1050200, 1060702, 1191800, 1797800, 2100400, 2121404, 2383600, 2651755, 3595600, 4242808, 5303510, 8485616, 10607020, 13258775, 21214040, 26517550, 42428080, 53035100, 106070200, 212140400]

約数ペア:

[(1, 212140400), (2, 106070200), (4, 53035100), (5, 42428080), (8, 26517550), (10, 21214040), (16, 13258775), (20, 10607020), (25, 8485616), (40, 5303510), (50, 4242808), (59, 3595600), (80, 2651755), (89, 2383600), (100, 2121404), (101, 2100400), (118, 1797800), (178, 1191800), (200, 1060702), (202, 1050200), (236, 898900), (295, 719120), (356, 595900), (400, 530351), (404, 525100), (445, 476720), (472, 449450), (505, 420080), (590, 359560), (712, 297950), (808, 262550), (890, 238360), (944, 224725), (1010, 210040), (1180, 179780), (1424, 148975), (1475, 143824), (1616, 131275), (1780, 119180), (2020, 105020), (2225, 95344), (2360, 89890), (2525, 84016), (2950, 71912), (3560, 59590), (4040, 52510), (4450, 47672), (4720, 44945), (5050, 42008), (5251, 40400), (5900, 35956), (5959, 35600), (7120, 29795), (8080, 26255), (8900, 23836), (8989, 23600), (10100, 21004), (10502, 20200), (11800, 17978), (11918, 17800)]