20100548300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2272

約数の個数: 144

約数和(自身を含む): 50715920640

約数和(自身を除く): 30615372340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 131, 140, 175, 218, 262, 350, 436, 524, 545, 655, 700, 763, 917, 1090, 1310, 1526, 1834, 2011, 2180, 2620, 2725, 3052, 3275, 3668, 3815, 4022, 4585, 5450, 6550, 7630, 8044, 9170, 10055, 10900, 13100, 14077, 14279, 15260, 18340, 19075, 20110, 22925, 28154, 28558, 38150, 40220, 45850, 50275, 56308, 57116, 70385, 71395, 76300, 91700, 99953, 100550, 140770, 142790, 199906, 201100, 219199, 263441, 281540, 285580, 351925, 356975, 399812, 438398, 499765, 526882, 703850, 713950, 876796, 999530, 1053764, 1095995, 1317205, 1407700, 1427900, 1534393, 1844087, 1999060, 2191990, 2498825, 2634410, 3068786, 3688174, 4383980, 4997650, 5268820, 5479975, 6137572, 6586025, 7376348, 7671965, 9220435, 9995300, 10959950, 13172050, 15343930, 18440870, 21919900, 26344100, 28715069, 30687860, 36881740, 38359825, 46102175, 57430138, 76719650, 92204350, 114860276, 143575345, 153439300, 184408700, 201005483, 287150690, 402010966, 574301380, 717876725, 804021932, 1005027415, 1435753450, 2010054830, 2871506900, 4020109660, 5025137075, 10050274150, 20100548300]

約数ペア:

[(1, 20100548300), (2, 10050274150), (4, 5025137075), (5, 4020109660), (7, 2871506900), (10, 2010054830), (14, 1435753450), (20, 1005027415), (25, 804021932), (28, 717876725), (35, 574301380), (50, 402010966), (70, 287150690), (100, 201005483), (109, 184408700), (131, 153439300), (140, 143575345), (175, 114860276), (218, 92204350), (262, 76719650), (350, 57430138), (436, 46102175), (524, 38359825), (545, 36881740), (655, 30687860), (700, 28715069), (763, 26344100), (917, 21919900), (1090, 18440870), (1310, 15343930), (1526, 13172050), (1834, 10959950), (2011, 9995300), (2180, 9220435), (2620, 7671965), (2725, 7376348), (3052, 6586025), (3275, 6137572), (3668, 5479975), (3815, 5268820), (4022, 4997650), (4585, 4383980), (5450, 3688174), (6550, 3068786), (7630, 2634410), (8044, 2498825), (9170, 2191990), (10055, 1999060), (10900, 1844087), (13100, 1534393), (14077, 1427900), (14279, 1407700), (15260, 1317205), (18340, 1095995), (19075, 1053764), (20110, 999530), (22925, 876796), (28154, 713950), (28558, 703850), (38150, 526882), (40220, 499765), (45850, 438398), (50275, 399812), (56308, 356975), (57116, 351925), (70385, 285580), (71395, 281540), (76300, 263441), (91700, 219199), (99953, 201100), (100550, 199906), (140770, 142790)]