218936900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 597878400

約数和(自身を除く): 378941500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 343, 350, 364, 455, 490, 491, 637, 650, 686, 700, 910, 980, 982, 1225, 1274, 1300, 1372, 1715, 1820, 1964, 2275, 2450, 2455, 2548, 3185, 3430, 3437, 4459, 4550, 4900, 4910, 6370, 6383, 6860, 6874, 8575, 8918, 9100, 9820, 12275, 12740, 12766, 13748, 15925, 17150, 17185, 17836, 22295, 24059, 24550, 25532, 31850, 31915, 34300, 34370, 44590, 44681, 48118, 49100, 63700, 63830, 68740, 85925, 89180, 89362, 96236, 111475, 120295, 127660, 159575, 168413, 171850, 178724, 222950, 223405, 240590, 312767, 319150, 336826, 343700, 445900, 446810, 481180, 601475, 625534, 638300, 673652, 842065, 893620, 1117025, 1202950, 1251068, 1563835, 1684130, 2189369, 2234050, 2405900, 3127670, 3368260, 4210325, 4378738, 4468100, 6255340, 7819175, 8420650, 8757476, 10946845, 15638350, 16841300, 21893690, 31276700, 43787380, 54734225, 109468450, 218936900]

約数ペア:

[(1, 218936900), (2, 109468450), (4, 54734225), (5, 43787380), (7, 31276700), (10, 21893690), (13, 16841300), (14, 15638350), (20, 10946845), (25, 8757476), (26, 8420650), (28, 7819175), (35, 6255340), (49, 4468100), (50, 4378738), (52, 4210325), (65, 3368260), (70, 3127670), (91, 2405900), (98, 2234050), (100, 2189369), (130, 1684130), (140, 1563835), (175, 1251068), (182, 1202950), (196, 1117025), (245, 893620), (260, 842065), (325, 673652), (343, 638300), (350, 625534), (364, 601475), (455, 481180), (490, 446810), (491, 445900), (637, 343700), (650, 336826), (686, 319150), (700, 312767), (910, 240590), (980, 223405), (982, 222950), (1225, 178724), (1274, 171850), (1300, 168413), (1372, 159575), (1715, 127660), (1820, 120295), (1964, 111475), (2275, 96236), (2450, 89362), (2455, 89180), (2548, 85925), (3185, 68740), (3430, 63830), (3437, 63700), (4459, 49100), (4550, 48118), (4900, 44681), (4910, 44590), (6370, 34370), (6383, 34300), (6860, 31915), (6874, 31850), (8575, 25532), (8918, 24550), (9100, 24059), (9820, 22295), (12275, 17836), (12740, 17185), (12766, 17150), (13748, 15925)]