197105440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 144

約数和(自身を含む): 559851264

約数和(自身を除く): 362745824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 811, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1622, 1736, 1960, 2170, 2480, 3038, 3244, 3472, 3920, 4055, 4340, 4960, 5677, 6076, 6488, 6944, 7595, 7840, 8110, 8680, 11354, 12152, 12976, 15190, 16220, 17360, 22708, 24304, 25141, 25952, 28385, 30380, 32440, 34720, 39739, 45416, 48608, 50282, 56770, 60760, 64880, 79478, 90832, 100564, 113540, 121520, 125705, 129760, 158956, 175987, 181664, 198695, 201128, 227080, 243040, 251410, 317912, 351974, 397390, 402256, 454160, 502820, 635824, 703948, 794780, 804512, 879935, 908320, 1005640, 1231909, 1271648, 1407896, 1589560, 1759870, 2011280, 2463818, 2815792, 3179120, 3519740, 4022560, 4927636, 5631584, 6159545, 6358240, 7039480, 9855272, 12319090, 14078960, 19710544, 24638180, 28157920, 39421088, 49276360, 98552720, 197105440]

約数ペア:

[(1, 197105440), (2, 98552720), (4, 49276360), (5, 39421088), (7, 28157920), (8, 24638180), (10, 19710544), (14, 14078960), (16, 12319090), (20, 9855272), (28, 7039480), (31, 6358240), (32, 6159545), (35, 5631584), (40, 4927636), (49, 4022560), (56, 3519740), (62, 3179120), (70, 2815792), (80, 2463818), (98, 2011280), (112, 1759870), (124, 1589560), (140, 1407896), (155, 1271648), (160, 1231909), (196, 1005640), (217, 908320), (224, 879935), (245, 804512), (248, 794780), (280, 703948), (310, 635824), (392, 502820), (434, 454160), (490, 402256), (496, 397390), (560, 351974), (620, 317912), (784, 251410), (811, 243040), (868, 227080), (980, 201128), (992, 198695), (1085, 181664), (1120, 175987), (1240, 158956), (1519, 129760), (1568, 125705), (1622, 121520), (1736, 113540), (1960, 100564), (2170, 90832), (2480, 79478), (3038, 64880), (3244, 60760), (3472, 56770), (3920, 50282), (4055, 48608), (4340, 45416), (4960, 39739), (5677, 34720), (6076, 32440), (6488, 30380), (6944, 28385), (7595, 25952), (7840, 25141), (8110, 24304), (8680, 22708), (11354, 17360), (12152, 16220), (12976, 15190)]