203555980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 469421568

約数和(自身を除く): 265865588

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 43, 46, 82, 86, 92, 115, 164, 172, 205, 215, 230, 251, 410, 430, 460, 502, 820, 860, 943, 989, 1004, 1255, 1763, 1886, 1978, 2510, 3526, 3772, 3956, 4715, 4945, 5020, 5773, 7052, 8815, 9430, 9890, 10291, 10793, 11546, 17630, 18860, 19780, 20582, 21586, 23092, 28865, 35260, 40549, 41164, 43172, 51455, 53965, 57730, 81098, 102910, 107930, 115460, 162196, 202745, 205820, 215860, 236693, 248239, 405490, 442513, 473386, 496478, 810980, 885026, 946772, 992956, 1183465, 1241195, 1770052, 2212565, 2366930, 2482390, 4425130, 4733860, 4964780, 8850260, 10177799, 20355598, 40711196, 50888995, 101777990, 203555980]

約数ペア:

[(1, 203555980), (2, 101777990), (4, 50888995), (5, 40711196), (10, 20355598), (20, 10177799), (23, 8850260), (41, 4964780), (43, 4733860), (46, 4425130), (82, 2482390), (86, 2366930), (92, 2212565), (115, 1770052), (164, 1241195), (172, 1183465), (205, 992956), (215, 946772), (230, 885026), (251, 810980), (410, 496478), (430, 473386), (460, 442513), (502, 405490), (820, 248239), (860, 236693), (943, 215860), (989, 205820), (1004, 202745), (1255, 162196), (1763, 115460), (1886, 107930), (1978, 102910), (2510, 81098), (3526, 57730), (3772, 53965), (3956, 51455), (4715, 43172), (4945, 41164), (5020, 40549), (5773, 35260), (7052, 28865), (8815, 23092), (9430, 21586), (9890, 20582), (10291, 19780), (10793, 18860), (11546, 17630)]