206594540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1227

約数の個数: 72

約数和(自身を含む): 476149632

約数和(自身を除く): 269555092

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 527, 578, 620, 1054, 1153, 1156, 1445, 2108, 2306, 2635, 2890, 4612, 5270, 5765, 5780, 8959, 10540, 11530, 17918, 19601, 23060, 35743, 35836, 39202, 44795, 71486, 78404, 89590, 98005, 142972, 178715, 179180, 196010, 333217, 357430, 392020, 607631, 666434, 714860, 1215262, 1332868, 1666085, 2430524, 3038155, 3332170, 6076310, 6664340, 10329727, 12152620, 20659454, 41318908, 51648635, 103297270, 206594540]

約数ペア:

[(1, 206594540), (2, 103297270), (4, 51648635), (5, 41318908), (10, 20659454), (17, 12152620), (20, 10329727), (31, 6664340), (34, 6076310), (62, 3332170), (68, 3038155), (85, 2430524), (124, 1666085), (155, 1332868), (170, 1215262), (289, 714860), (310, 666434), (340, 607631), (527, 392020), (578, 357430), (620, 333217), (1054, 196010), (1153, 179180), (1156, 178715), (1445, 142972), (2108, 98005), (2306, 89590), (2635, 78404), (2890, 71486), (4612, 44795), (5270, 39202), (5765, 35836), (5780, 35743), (8959, 23060), (10540, 19601), (11530, 17918)]