205366900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 457158240

約数和(自身を除く): 251791340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 109, 166, 218, 227, 332, 415, 436, 454, 545, 830, 908, 1090, 1135, 1660, 2075, 2180, 2270, 2725, 4150, 4540, 5450, 5675, 8300, 9047, 10900, 11350, 18094, 18841, 22700, 24743, 36188, 37682, 45235, 49486, 75364, 90470, 94205, 98972, 123715, 180940, 188410, 226175, 247430, 376820, 452350, 471025, 494860, 618575, 904700, 942050, 1237150, 1884100, 2053669, 2474300, 4107338, 8214676, 10268345, 20536690, 41073380, 51341725, 102683450, 205366900]

約数ペア:

[(1, 205366900), (2, 102683450), (4, 51341725), (5, 41073380), (10, 20536690), (20, 10268345), (25, 8214676), (50, 4107338), (83, 2474300), (100, 2053669), (109, 1884100), (166, 1237150), (218, 942050), (227, 904700), (332, 618575), (415, 494860), (436, 471025), (454, 452350), (545, 376820), (830, 247430), (908, 226175), (1090, 188410), (1135, 180940), (1660, 123715), (2075, 98972), (2180, 94205), (2270, 90470), (2725, 75364), (4150, 49486), (4540, 45235), (5450, 37682), (5675, 36188), (8300, 24743), (9047, 22700), (10900, 18841), (11350, 18094)]