219616400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 553536000

約数和(自身を除く): 333919600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 89, 100, 124, 155, 178, 199, 200, 248, 310, 356, 398, 400, 445, 496, 620, 712, 775, 796, 890, 995, 1240, 1424, 1550, 1592, 1780, 1990, 2225, 2480, 2759, 3100, 3184, 3560, 3980, 4450, 4975, 5518, 6169, 6200, 7120, 7960, 8900, 9950, 11036, 12338, 12400, 13795, 15920, 17711, 17800, 19900, 22072, 24676, 27590, 30845, 35422, 35600, 39800, 44144, 49352, 55180, 61690, 68975, 70844, 79600, 88555, 98704, 110360, 123380, 137950, 141688, 154225, 177110, 220720, 246760, 275900, 283376, 308450, 354220, 442775, 493520, 549041, 551800, 616900, 708440, 885550, 1098082, 1103600, 1233800, 1416880, 1771100, 2196164, 2467600, 2745205, 3542200, 4392328, 5490410, 7084400, 8784656, 10980820, 13726025, 21961640, 27452050, 43923280, 54904100, 109808200, 219616400]

約数ペア:

[(1, 219616400), (2, 109808200), (4, 54904100), (5, 43923280), (8, 27452050), (10, 21961640), (16, 13726025), (20, 10980820), (25, 8784656), (31, 7084400), (40, 5490410), (50, 4392328), (62, 3542200), (80, 2745205), (89, 2467600), (100, 2196164), (124, 1771100), (155, 1416880), (178, 1233800), (199, 1103600), (200, 1098082), (248, 885550), (310, 708440), (356, 616900), (398, 551800), (400, 549041), (445, 493520), (496, 442775), (620, 354220), (712, 308450), (775, 283376), (796, 275900), (890, 246760), (995, 220720), (1240, 177110), (1424, 154225), (1550, 141688), (1592, 137950), (1780, 123380), (1990, 110360), (2225, 98704), (2480, 88555), (2759, 79600), (3100, 70844), (3184, 68975), (3560, 61690), (3980, 55180), (4450, 49352), (4975, 44144), (5518, 39800), (6169, 35600), (6200, 35422), (7120, 30845), (7960, 27590), (8900, 24676), (9950, 22072), (11036, 19900), (12338, 17800), (12400, 17711), (13795, 15920)]