220977790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4597}}^1$

素因数の和:4657

約数の個数: 64

約数和(自身を含む): 476720640

約数和(自身を除く): 255742850

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 874, 1045, 1265, 2090, 2185, 2530, 4370, 4597, 4807, 9194, 9614, 22985, 24035, 45970, 48070, 50567, 87343, 101134, 105731, 174686, 211462, 252835, 436715, 505670, 528655, 873430, 960773, 1057310, 1163041, 1921546, 2008889, 2326082, 4017778, 4803865, 5815205, 9607730, 10044445, 11630410, 20088890, 22097779, 44195558, 110488895, 220977790]

約数ペア:

[(1, 220977790), (2, 110488895), (5, 44195558), (10, 22097779), (11, 20088890), (19, 11630410), (22, 10044445), (23, 9607730), (38, 5815205), (46, 4803865), (55, 4017778), (95, 2326082), (110, 2008889), (115, 1921546), (190, 1163041), (209, 1057310), (230, 960773), (253, 873430), (418, 528655), (437, 505670), (506, 436715), (874, 252835), (1045, 211462), (1265, 174686), (2090, 105731), (2185, 101134), (2530, 87343), (4370, 50567), (4597, 48070), (4807, 45970), (9194, 24035), (9614, 22985)]