156986237180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1\times {\mathrm{19963}}^1$

素因数の和:20319

約数の個数: 96

約数和(自身を含む): 354076712640

約数和(自身を除く): 197090475460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 229, 340, 404, 458, 505, 916, 1010, 1145, 1717, 2020, 2290, 3434, 3893, 4580, 6868, 7786, 8585, 15572, 17170, 19465, 19963, 23129, 34340, 38930, 39926, 46258, 77860, 79852, 92516, 99815, 115645, 199630, 231290, 339371, 393193, 399260, 462580, 678742, 786386, 1357484, 1572772, 1696855, 1965965, 2016263, 3393710, 3931930, 4032526, 4571527, 6787420, 7863860, 8065052, 9143054, 10081315, 18286108, 20162630, 22857635, 34276471, 40325260, 45715270, 68552942, 77715959, 91430540, 137105884, 155431918, 171382355, 310863836, 342764710, 388579795, 461724227, 685529420, 777159590, 923448454, 1554319180, 1846896908, 2308621135, 4617242270, 7849311859, 9234484540, 15698623718, 31397247436, 39246559295, 78493118590, 156986237180]

約数ペア:

[(1, 156986237180), (2, 78493118590), (4, 39246559295), (5, 31397247436), (10, 15698623718), (17, 9234484540), (20, 7849311859), (34, 4617242270), (68, 2308621135), (85, 1846896908), (101, 1554319180), (170, 923448454), (202, 777159590), (229, 685529420), (340, 461724227), (404, 388579795), (458, 342764710), (505, 310863836), (916, 171382355), (1010, 155431918), (1145, 137105884), (1717, 91430540), (2020, 77715959), (2290, 68552942), (3434, 45715270), (3893, 40325260), (4580, 34276471), (6868, 22857635), (7786, 20162630), (8585, 18286108), (15572, 10081315), (17170, 9143054), (19465, 8065052), (19963, 7863860), (23129, 6787420), (34340, 4571527), (38930, 4032526), (39926, 3931930), (46258, 3393710), (77860, 2016263), (79852, 1965965), (92516, 1696855), (99815, 1572772), (115645, 1357484), (199630, 786386), (231290, 678742), (339371, 462580), (393193, 399260)]