1099220

素因数分解:

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

素因数の和:140

約数の個数: 48

約数和(自身を含む): 2531088

約数和(自身を除く): 1431868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 61, 68, 85, 106, 122, 170, 212, 244, 265, 305, 340, 530, 610, 901, 1037, 1060, 1220, 1802, 2074, 3233, 3604, 4148, 4505, 5185, 6466, 9010, 10370, 12932, 16165, 18020, 20740, 32330, 54961, 64660, 109922, 219844, 274805, 549610, 1099220]

約数ペア:

[(1, 1099220), (2, 549610), (4, 274805), (5, 219844), (10, 109922), (17, 64660), (20, 54961), (34, 32330), (53, 20740), (61, 18020), (68, 16165), (85, 12932), (106, 10370), (122, 9010), (170, 6466), (212, 5185), (244, 4505), (265, 4148), (305, 3604), (340, 3233), (530, 2074), (610, 1802), (901, 1220), (1037, 1060)]