211679027980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1921211}}^1$

素因数の和:1922014

約数の個数: 48

約数和(自身を含む): 508675458816

約数和(自身を除く): 296996430836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 787, 1574, 3148, 3935, 5509, 7870, 11018, 15740, 22036, 27545, 55090, 110180, 1921211, 3842422, 7684844, 9606055, 13448477, 19212110, 26896954, 38424220, 53793908, 67242385, 134484770, 268969540, 1511993057, 3023986114, 6047972228, 7559965285, 10583951399, 15119930570, 21167902798, 30239861140, 42335805596, 52919756995, 105839513990, 211679027980]

約数ペア:

[(1, 211679027980), (2, 105839513990), (4, 52919756995), (5, 42335805596), (7, 30239861140), (10, 21167902798), (14, 15119930570), (20, 10583951399), (28, 7559965285), (35, 6047972228), (70, 3023986114), (140, 1511993057), (787, 268969540), (1574, 134484770), (3148, 67242385), (3935, 53793908), (5509, 38424220), (7870, 26896954), (11018, 19212110), (15740, 13448477), (22036, 9606055), (27545, 7684844), (55090, 3842422), (110180, 1921211)]