85214540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 198670752

約数和(自身を除く): 113456212

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 289, 340, 391, 460, 578, 641, 782, 1156, 1282, 1445, 1564, 1955, 2564, 2890, 3205, 3910, 5780, 6410, 6647, 7820, 10897, 12820, 13294, 14743, 21794, 26588, 29486, 33235, 43588, 54485, 58972, 66470, 73715, 108970, 132940, 147430, 185249, 217940, 250631, 294860, 370498, 501262, 740996, 926245, 1002524, 1253155, 1852490, 2506310, 3704980, 4260727, 5012620, 8521454, 17042908, 21303635, 42607270, 85214540]

約数ペア:

[(1, 85214540), (2, 42607270), (4, 21303635), (5, 17042908), (10, 8521454), (17, 5012620), (20, 4260727), (23, 3704980), (34, 2506310), (46, 1852490), (68, 1253155), (85, 1002524), (92, 926245), (115, 740996), (170, 501262), (230, 370498), (289, 294860), (340, 250631), (391, 217940), (460, 185249), (578, 147430), (641, 132940), (782, 108970), (1156, 73715), (1282, 66470), (1445, 58972), (1564, 54485), (1955, 43588), (2564, 33235), (2890, 29486), (3205, 26588), (3910, 21794), (5780, 14743), (6410, 13294), (6647, 12820), (7820, 10897)]