2201990980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{215459}}^1$

素因数の和:215548

約数の個数: 48

約数和(自身を含む): 5357197440

約数和(自身を除く): 3155206460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 215459, 430918, 861836, 1077295, 1508213, 2154590, 3016426, 4309180, 6032852, 7541065, 15082130, 15728507, 30164260, 31457014, 62914028, 78642535, 110099549, 157285070, 220199098, 314570140, 440398196, 550497745, 1100995490, 2201990980]

約数ペア:

[(1, 2201990980), (2, 1100995490), (4, 550497745), (5, 440398196), (7, 314570140), (10, 220199098), (14, 157285070), (20, 110099549), (28, 78642535), (35, 62914028), (70, 31457014), (73, 30164260), (140, 15728507), (146, 15082130), (292, 7541065), (365, 6032852), (511, 4309180), (730, 3016426), (1022, 2154590), (1460, 1508213), (2044, 1077295), (2555, 861836), (5110, 430918), (10220, 215459)]