128800606460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{189977}}^1$

素因数の和:190406

約数の個数: 48

約数和(自身を含む): 273841888320

約数和(自身を除く): 145041281860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 311, 436, 545, 622, 1090, 1244, 1555, 2180, 3110, 6220, 33899, 67798, 135596, 169495, 189977, 338990, 379954, 677980, 759908, 949885, 1899770, 3799540, 20707493, 41414986, 59082847, 82829972, 103537465, 118165694, 207074930, 236331388, 295414235, 414149860, 590828470, 1181656940, 6440030323, 12880060646, 25760121292, 32200151615, 64400303230, 128800606460]

約数ペア:

[(1, 128800606460), (2, 64400303230), (4, 32200151615), (5, 25760121292), (10, 12880060646), (20, 6440030323), (109, 1181656940), (218, 590828470), (311, 414149860), (436, 295414235), (545, 236331388), (622, 207074930), (1090, 118165694), (1244, 103537465), (1555, 82829972), (2180, 59082847), (3110, 41414986), (6220, 20707493), (33899, 3799540), (67798, 1899770), (135596, 949885), (169495, 759908), (189977, 677980), (338990, 379954)]