248970100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 576759960

約数和(自身を除く): 327789860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 137, 170, 274, 340, 425, 548, 685, 850, 1069, 1370, 1700, 2138, 2329, 2740, 3425, 4276, 4658, 5345, 6850, 9316, 10690, 11645, 13700, 18173, 21380, 23290, 26725, 36346, 46580, 53450, 58225, 72692, 90865, 106900, 116450, 146453, 181730, 232900, 292906, 363460, 454325, 585812, 732265, 908650, 1464530, 1817300, 2489701, 2929060, 3661325, 4979402, 7322650, 9958804, 12448505, 14645300, 24897010, 49794020, 62242525, 124485050, 248970100]

約数ペア:

[(1, 248970100), (2, 124485050), (4, 62242525), (5, 49794020), (10, 24897010), (17, 14645300), (20, 12448505), (25, 9958804), (34, 7322650), (50, 4979402), (68, 3661325), (85, 2929060), (100, 2489701), (137, 1817300), (170, 1464530), (274, 908650), (340, 732265), (425, 585812), (548, 454325), (685, 363460), (850, 292906), (1069, 232900), (1370, 181730), (1700, 146453), (2138, 116450), (2329, 106900), (2740, 90865), (3425, 72692), (4276, 58225), (4658, 53450), (5345, 46580), (6850, 36346), (9316, 26725), (10690, 23290), (11645, 21380), (13700, 18173)]