42900220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 99237600

約数和(自身を除く): 56337380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1789, 2180, 2398, 3578, 4796, 5995, 7156, 8945, 11990, 17890, 19679, 23980, 35780, 39358, 78716, 98395, 195001, 196790, 390002, 393580, 780004, 975005, 1950010, 2145011, 3900020, 4290022, 8580044, 10725055, 21450110, 42900220]

約数ペア:

[(1, 42900220), (2, 21450110), (4, 10725055), (5, 8580044), (10, 4290022), (11, 3900020), (20, 2145011), (22, 1950010), (44, 975005), (55, 780004), (109, 393580), (110, 390002), (218, 196790), (220, 195001), (436, 98395), (545, 78716), (1090, 39358), (1199, 35780), (1789, 23980), (2180, 19679), (2398, 17890), (3578, 11990), (4796, 8945), (5995, 7156)]