1214201620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{8329}}^1$

素因数の和:8572

約数の個数: 48

約数和(自身を含む): 2632346640

約数和(自身を除く): 1418145020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 985, 1970, 3940, 7289, 8329, 14578, 16658, 29156, 33316, 36445, 41645, 72890, 83290, 145780, 166580, 308173, 616346, 1232692, 1540865, 1640813, 3081730, 3281626, 6163460, 6563252, 8204065, 16408130, 32816260, 60710081, 121420162, 242840324, 303550405, 607100810, 1214201620]

約数ペア:

[(1, 1214201620), (2, 607100810), (4, 303550405), (5, 242840324), (10, 121420162), (20, 60710081), (37, 32816260), (74, 16408130), (148, 8204065), (185, 6563252), (197, 6163460), (370, 3281626), (394, 3081730), (740, 1640813), (788, 1540865), (985, 1232692), (1970, 616346), (3940, 308173), (7289, 166580), (8329, 145780), (14578, 83290), (16658, 72890), (29156, 41645), (33316, 36445)]