2198440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 5423760

約数和(自身を除く): 3225320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 61, 68, 85, 106, 122, 136, 170, 212, 244, 265, 305, 340, 424, 488, 530, 610, 680, 901, 1037, 1060, 1220, 1802, 2074, 2120, 2440, 3233, 3604, 4148, 4505, 5185, 6466, 7208, 8296, 9010, 10370, 12932, 16165, 18020, 20740, 25864, 32330, 36040, 41480, 54961, 64660, 109922, 129320, 219844, 274805, 439688, 549610, 1099220, 2198440]

約数ペア:

[(1, 2198440), (2, 1099220), (4, 549610), (5, 439688), (8, 274805), (10, 219844), (17, 129320), (20, 109922), (34, 64660), (40, 54961), (53, 41480), (61, 36040), (68, 32330), (85, 25864), (106, 20740), (122, 18020), (136, 16165), (170, 12932), (212, 10370), (244, 9010), (265, 8296), (305, 7208), (340, 6466), (424, 5185), (488, 4505), (530, 4148), (610, 3604), (680, 3233), (901, 2440), (1037, 2120), (1060, 2074), (1220, 1802)]