865686540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{497521}}^1$

素因数の和:497562

約数の個数: 48

約数和(自身を含む): 2507510880

約数和(自身を除く): 1641824340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 497521, 995042, 1492563, 1990084, 2487605, 2985126, 4975210, 5970252, 7462815, 9950420, 14428109, 14925630, 28856218, 29851260, 43284327, 57712436, 72140545, 86568654, 144281090, 173137308, 216421635, 288562180, 432843270, 865686540]

約数ペア:

[(1, 865686540), (2, 432843270), (3, 288562180), (4, 216421635), (5, 173137308), (6, 144281090), (10, 86568654), (12, 72140545), (15, 57712436), (20, 43284327), (29, 29851260), (30, 28856218), (58, 14925630), (60, 14428109), (87, 9950420), (116, 7462815), (145, 5970252), (174, 4975210), (290, 2985126), (348, 2487605), (435, 1990084), (580, 1492563), (870, 995042), (1740, 497521)]