218730400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 616835520

約数和(自身を除く): 398105120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 139, 140, 160, 175, 200, 224, 278, 280, 281, 350, 400, 556, 560, 562, 695, 700, 800, 973, 1112, 1120, 1124, 1390, 1400, 1405, 1946, 1967, 2224, 2248, 2780, 2800, 2810, 3475, 3892, 3934, 4448, 4496, 4865, 5560, 5600, 5620, 6950, 7025, 7784, 7868, 8992, 9730, 9835, 11120, 11240, 13900, 14050, 15568, 15736, 19460, 19670, 22240, 22480, 24325, 27800, 28100, 31136, 31472, 38920, 39059, 39340, 44960, 48650, 49175, 55600, 56200, 62944, 77840, 78118, 78680, 97300, 98350, 111200, 112400, 155680, 156236, 157360, 194600, 195295, 196700, 224800, 273413, 312472, 314720, 389200, 390590, 393400, 546826, 624944, 778400, 781180, 786800, 976475, 1093652, 1249888, 1367065, 1562360, 1573600, 1952950, 2187304, 2734130, 3124720, 3905900, 4374608, 5468260, 6249440, 6835325, 7811800, 8749216, 10936520, 13670650, 15623600, 21873040, 27341300, 31247200, 43746080, 54682600, 109365200, 218730400]

約数ペア:

[(1, 218730400), (2, 109365200), (4, 54682600), (5, 43746080), (7, 31247200), (8, 27341300), (10, 21873040), (14, 15623600), (16, 13670650), (20, 10936520), (25, 8749216), (28, 7811800), (32, 6835325), (35, 6249440), (40, 5468260), (50, 4374608), (56, 3905900), (70, 3124720), (80, 2734130), (100, 2187304), (112, 1952950), (139, 1573600), (140, 1562360), (160, 1367065), (175, 1249888), (200, 1093652), (224, 976475), (278, 786800), (280, 781180), (281, 778400), (350, 624944), (400, 546826), (556, 393400), (560, 390590), (562, 389200), (695, 314720), (700, 312472), (800, 273413), (973, 224800), (1112, 196700), (1120, 195295), (1124, 194600), (1390, 157360), (1400, 156236), (1405, 155680), (1946, 112400), (1967, 111200), (2224, 98350), (2248, 97300), (2780, 78680), (2800, 78118), (2810, 77840), (3475, 62944), (3892, 56200), (3934, 55600), (4448, 49175), (4496, 48650), (4865, 44960), (5560, 39340), (5600, 39059), (5620, 38920), (6950, 31472), (7025, 31136), (7784, 28100), (7868, 27800), (8992, 24325), (9730, 22480), (9835, 22240), (11120, 19670), (11240, 19460), (13900, 15736), (14050, 15568)]