28294980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67369}}^1$

素因数の和:67388

約数の個数: 48

約数和(自身を含む): 90545280

約数和(自身を除く): 62250300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67369, 134738, 202107, 269476, 336845, 404214, 471583, 673690, 808428, 943166, 1010535, 1347380, 1414749, 1886332, 2021070, 2357915, 2829498, 4042140, 4715830, 5658996, 7073745, 9431660, 14147490, 28294980]

約数ペア:

[(1, 28294980), (2, 14147490), (3, 9431660), (4, 7073745), (5, 5658996), (6, 4715830), (7, 4042140), (10, 2829498), (12, 2357915), (14, 2021070), (15, 1886332), (20, 1414749), (21, 1347380), (28, 1010535), (30, 943166), (35, 808428), (42, 673690), (60, 471583), (70, 404214), (84, 336845), (105, 269476), (140, 202107), (210, 134738), (420, 67369)]