1144220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 2999808

約数和(自身を除く): 1855588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 743, 770, 1486, 1540, 2972, 3715, 5201, 7430, 8173, 10402, 14860, 16346, 20804, 26005, 32692, 40865, 52010, 57211, 81730, 104020, 114422, 163460, 228844, 286055, 572110, 1144220]

約数ペア:

[(1, 1144220), (2, 572110), (4, 286055), (5, 228844), (7, 163460), (10, 114422), (11, 104020), (14, 81730), (20, 57211), (22, 52010), (28, 40865), (35, 32692), (44, 26005), (55, 20804), (70, 16346), (77, 14860), (110, 10402), (140, 8173), (154, 7430), (220, 5201), (308, 3715), (385, 2972), (743, 1540), (770, 1486)]