268512551420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{185737}}^1$

素因数の和:185871

約数の個数: 72

約数和(自身を含む): 591409108752

約数和(自身を除く): 322896557332

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1681, 1763, 3362, 3526, 6724, 7052, 8405, 8815, 16810, 17630, 33620, 35260, 72283, 144566, 185737, 289132, 361415, 371474, 722830, 742948, 928685, 1445660, 1857370, 3714740, 7615217, 7986691, 15230434, 15973382, 30460868, 31946764, 38076085, 39933455, 76152170, 79866910, 152304340, 159733820, 312223897, 327454331, 624447794, 654908662, 1248895588, 1309817324, 1561119485, 1637271655, 3122238970, 3274543310, 6244477940, 6549086620, 13425627571, 26851255142, 53702510284, 67128137855, 134256275710, 268512551420]

約数ペア:

[(1, 268512551420), (2, 134256275710), (4, 67128137855), (5, 53702510284), (10, 26851255142), (20, 13425627571), (41, 6549086620), (43, 6244477940), (82, 3274543310), (86, 3122238970), (164, 1637271655), (172, 1561119485), (205, 1309817324), (215, 1248895588), (410, 654908662), (430, 624447794), (820, 327454331), (860, 312223897), (1681, 159733820), (1763, 152304340), (3362, 79866910), (3526, 76152170), (6724, 39933455), (7052, 38076085), (8405, 31946764), (8815, 30460868), (16810, 15973382), (17630, 15230434), (33620, 7986691), (35260, 7615217), (72283, 3714740), (144566, 1857370), (185737, 1445660), (289132, 928685), (361415, 742948), (371474, 722830)]