609923020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{27749}}^1$

素因数の和:27922

約数の個数: 48

約数和(自身を含む): 1473192000

約数和(自身を除く): 863268980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 27749, 55498, 110996, 138745, 194243, 277490, 388486, 554980, 776972, 971215, 1942430, 3884860, 4356593, 8713186, 17426372, 21782965, 30496151, 43565930, 60992302, 87131860, 121984604, 152480755, 304961510, 609923020]

約数ペア:

[(1, 609923020), (2, 304961510), (4, 152480755), (5, 121984604), (7, 87131860), (10, 60992302), (14, 43565930), (20, 30496151), (28, 21782965), (35, 17426372), (70, 8713186), (140, 4356593), (157, 3884860), (314, 1942430), (628, 971215), (785, 776972), (1099, 554980), (1570, 388486), (2198, 277490), (3140, 194243), (4396, 138745), (5495, 110996), (10990, 55498), (21980, 27749)]