2786980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 7088256

約数和(自身を除く): 4301276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1171, 1190, 2342, 2380, 4684, 5855, 8197, 11710, 16394, 19907, 23420, 32788, 39814, 40985, 79628, 81970, 99535, 139349, 163940, 199070, 278698, 398140, 557396, 696745, 1393490, 2786980]

約数ペア:

[(1, 2786980), (2, 1393490), (4, 696745), (5, 557396), (7, 398140), (10, 278698), (14, 199070), (17, 163940), (20, 139349), (28, 99535), (34, 81970), (35, 79628), (68, 40985), (70, 39814), (85, 32788), (119, 23420), (140, 19907), (170, 16394), (238, 11710), (340, 8197), (476, 5855), (595, 4684), (1171, 2380), (1190, 2342)]