13880300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 34997760

約数和(自身を除く): 21117460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 251, 316, 350, 395, 502, 553, 700, 790, 1004, 1106, 1255, 1580, 1757, 1975, 2212, 2510, 2765, 3514, 3950, 5020, 5530, 6275, 7028, 7900, 8785, 11060, 12550, 13825, 17570, 19829, 25100, 27650, 35140, 39658, 43925, 55300, 79316, 87850, 99145, 138803, 175700, 198290, 277606, 396580, 495725, 555212, 694015, 991450, 1388030, 1982900, 2776060, 3470075, 6940150, 13880300]

約数ペア:

[(1, 13880300), (2, 6940150), (4, 3470075), (5, 2776060), (7, 1982900), (10, 1388030), (14, 991450), (20, 694015), (25, 555212), (28, 495725), (35, 396580), (50, 277606), (70, 198290), (79, 175700), (100, 138803), (140, 99145), (158, 87850), (175, 79316), (251, 55300), (316, 43925), (350, 39658), (395, 35140), (502, 27650), (553, 25100), (700, 19829), (790, 17570), (1004, 13825), (1106, 12550), (1255, 11060), (1580, 8785), (1757, 7900), (1975, 7028), (2212, 6275), (2510, 5530), (2765, 5020), (3514, 3950)]