179743180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2011}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 390408480

約数和(自身を除く): 210665300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2011, 2180, 4022, 4469, 8044, 8938, 10055, 17876, 20110, 22345, 40220, 44690, 82451, 89380, 164902, 219199, 329804, 412255, 438398, 824510, 876796, 1095995, 1649020, 2191990, 4383980, 8987159, 17974318, 35948636, 44935795, 89871590, 179743180]

約数ペア:

[(1, 179743180), (2, 89871590), (4, 44935795), (5, 35948636), (10, 17974318), (20, 8987159), (41, 4383980), (82, 2191990), (109, 1649020), (164, 1095995), (205, 876796), (218, 824510), (410, 438398), (436, 412255), (545, 329804), (820, 219199), (1090, 164902), (2011, 89380), (2180, 82451), (4022, 44690), (4469, 40220), (8044, 22345), (8938, 20110), (10055, 17876)]