2171540980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{89659}}^1$

素因数の和:89848

約数の個数: 48

約数和(自身を含む): 5241882240

約数和(自身を除く): 3070341260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 12110, 24220, 89659, 179318, 358636, 448295, 627613, 896590, 1255226, 1793180, 2510452, 3138065, 6276130, 12552260, 15511007, 31022014, 62044028, 77555035, 108577049, 155110070, 217154098, 310220140, 434308196, 542885245, 1085770490, 2171540980]

約数ペア:

[(1, 2171540980), (2, 1085770490), (4, 542885245), (5, 434308196), (7, 310220140), (10, 217154098), (14, 155110070), (20, 108577049), (28, 77555035), (35, 62044028), (70, 31022014), (140, 15511007), (173, 12552260), (346, 6276130), (692, 3138065), (865, 2510452), (1211, 1793180), (1730, 1255226), (2422, 896590), (3460, 627613), (4844, 448295), (6055, 358636), (12110, 179318), (24220, 89659)]