28401100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3155

約数の個数: 72

約数和(自身を含む): 75877088

約数和(自身を除く): 47475988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 3121, 4550, 6242, 9100, 12484, 15605, 21847, 31210, 40573, 43694, 62420, 78025, 81146, 87388, 109235, 156050, 162292, 202865, 218470, 284011, 312100, 405730, 436940, 546175, 568022, 811460, 1014325, 1092350, 1136044, 1420055, 2028650, 2184700, 2840110, 4057300, 5680220, 7100275, 14200550, 28401100]

約数ペア:

[(1, 28401100), (2, 14200550), (4, 7100275), (5, 5680220), (7, 4057300), (10, 2840110), (13, 2184700), (14, 2028650), (20, 1420055), (25, 1136044), (26, 1092350), (28, 1014325), (35, 811460), (50, 568022), (52, 546175), (65, 436940), (70, 405730), (91, 312100), (100, 284011), (130, 218470), (140, 202865), (175, 162292), (182, 156050), (260, 109235), (325, 87388), (350, 81146), (364, 78025), (455, 62420), (650, 43694), (700, 40573), (910, 31210), (1300, 21847), (1820, 15605), (2275, 12484), (3121, 9100), (4550, 6242)]