199499440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8689}}^1$

素因数の和:8750

約数の個数: 80

約数和(自身を含む): 543090240

約数和(自身を除く): 343590800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 8689, 11480, 17378, 22960, 34756, 43445, 60823, 69512, 86890, 121646, 139024, 173780, 243292, 304115, 347560, 356249, 486584, 608230, 695120, 712498, 973168, 1216460, 1424996, 1781245, 2432920, 2493743, 2849992, 3562490, 4865840, 4987486, 5699984, 7124980, 9974972, 12468715, 14249960, 19949944, 24937430, 28499920, 39899888, 49874860, 99749720, 199499440]

約数ペア:

[(1, 199499440), (2, 99749720), (4, 49874860), (5, 39899888), (7, 28499920), (8, 24937430), (10, 19949944), (14, 14249960), (16, 12468715), (20, 9974972), (28, 7124980), (35, 5699984), (40, 4987486), (41, 4865840), (56, 3562490), (70, 2849992), (80, 2493743), (82, 2432920), (112, 1781245), (140, 1424996), (164, 1216460), (205, 973168), (280, 712498), (287, 695120), (328, 608230), (410, 486584), (560, 356249), (574, 347560), (656, 304115), (820, 243292), (1148, 173780), (1435, 139024), (1640, 121646), (2296, 86890), (2870, 69512), (3280, 60823), (4592, 43445), (5740, 34756), (8689, 22960), (11480, 17378)]