195537440

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 120

約数和(自身を含む): 539976780

約数和(自身を除く): 344439340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 509, 560, 686, 784, 980, 1018, 1120, 1372, 1568, 1715, 1960, 2036, 2401, 2545, 2744, 3430, 3563, 3920, 4072, 4802, 5090, 5488, 6860, 7126, 7840, 8144, 9604, 10180, 10976, 12005, 13720, 14252, 16288, 17815, 19208, 20360, 24010, 24941, 27440, 28504, 35630, 38416, 40720, 48020, 49882, 54880, 57008, 71260, 76832, 81440, 96040, 99764, 114016, 124705, 142520, 174587, 192080, 199528, 249410, 285040, 349174, 384160, 399056, 498820, 570080, 698348, 798112, 872935, 997640, 1222109, 1396696, 1745870, 1995280, 2444218, 2793392, 3491740, 3990560, 4888436, 5586784, 6110545, 6983480, 9776872, 12221090, 13966960, 19553744, 24442180, 27933920, 39107488, 48884360, 97768720, 195537440]

約数ペア:

[(1, 195537440), (2, 97768720), (4, 48884360), (5, 39107488), (7, 27933920), (8, 24442180), (10, 19553744), (14, 13966960), (16, 12221090), (20, 9776872), (28, 6983480), (32, 6110545), (35, 5586784), (40, 4888436), (49, 3990560), (56, 3491740), (70, 2793392), (80, 2444218), (98, 1995280), (112, 1745870), (140, 1396696), (160, 1222109), (196, 997640), (224, 872935), (245, 798112), (280, 698348), (343, 570080), (392, 498820), (490, 399056), (509, 384160), (560, 349174), (686, 285040), (784, 249410), (980, 199528), (1018, 192080), (1120, 174587), (1372, 142520), (1568, 124705), (1715, 114016), (1960, 99764), (2036, 96040), (2401, 81440), (2545, 76832), (2744, 71260), (3430, 57008), (3563, 54880), (3920, 49882), (4072, 48020), (4802, 40720), (5090, 38416), (5488, 35630), (6860, 28504), (7126, 27440), (7840, 24941), (8144, 24010), (9604, 20360), (10180, 19208), (10976, 17815), (12005, 16288), (13720, 14252)]