28685300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 72870336

約数和(自身を除く): 44185036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 953, 1075, 1204, 1505, 1906, 2150, 3010, 3812, 4300, 4765, 6020, 6671, 7525, 9530, 13342, 15050, 19060, 23825, 26684, 30100, 33355, 40979, 47650, 66710, 81958, 95300, 133420, 163916, 166775, 204895, 286853, 333550, 409790, 573706, 667100, 819580, 1024475, 1147412, 1434265, 2048950, 2868530, 4097900, 5737060, 7171325, 14342650, 28685300]

約数ペア:

[(1, 28685300), (2, 14342650), (4, 7171325), (5, 5737060), (7, 4097900), (10, 2868530), (14, 2048950), (20, 1434265), (25, 1147412), (28, 1024475), (35, 819580), (43, 667100), (50, 573706), (70, 409790), (86, 333550), (100, 286853), (140, 204895), (172, 166775), (175, 163916), (215, 133420), (301, 95300), (350, 81958), (430, 66710), (602, 47650), (700, 40979), (860, 33355), (953, 30100), (1075, 26684), (1204, 23825), (1505, 19060), (1906, 15050), (2150, 13342), (3010, 9530), (3812, 7525), (4300, 6671), (4765, 6020)]