201009880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 490160160

約数和(自身を除く): 289150280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 73, 82, 92, 115, 146, 164, 184, 205, 230, 292, 328, 365, 410, 460, 584, 730, 820, 920, 943, 1460, 1640, 1679, 1886, 2920, 2993, 3358, 3772, 4715, 5329, 5986, 6716, 7544, 8395, 9430, 10658, 11972, 13432, 14965, 16790, 18860, 21316, 23944, 26645, 29930, 33580, 37720, 42632, 53290, 59860, 67160, 68839, 106580, 119720, 122567, 137678, 213160, 218489, 245134, 275356, 344195, 436978, 490268, 550712, 612835, 688390, 873956, 980536, 1092445, 1225670, 1376780, 1747912, 2184890, 2451340, 2753560, 4369780, 4902680, 5025247, 8739560, 10050494, 20100988, 25126235, 40201976, 50252470, 100504940, 201009880]

約数ペア:

[(1, 201009880), (2, 100504940), (4, 50252470), (5, 40201976), (8, 25126235), (10, 20100988), (20, 10050494), (23, 8739560), (40, 5025247), (41, 4902680), (46, 4369780), (73, 2753560), (82, 2451340), (92, 2184890), (115, 1747912), (146, 1376780), (164, 1225670), (184, 1092445), (205, 980536), (230, 873956), (292, 688390), (328, 612835), (365, 550712), (410, 490268), (460, 436978), (584, 344195), (730, 275356), (820, 245134), (920, 218489), (943, 213160), (1460, 137678), (1640, 122567), (1679, 119720), (1886, 106580), (2920, 68839), (2993, 67160), (3358, 59860), (3772, 53290), (4715, 42632), (5329, 37720), (5986, 33580), (6716, 29930), (7544, 26645), (8395, 23944), (9430, 21316), (10658, 18860), (11972, 16790), (13432, 14965)]