251122480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8461}}^1$

素因数の和:8534

約数の個数: 80

約数和(自身を含む): 679938624

約数和(自身を除く): 428816144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 8461, 14840, 16922, 29680, 33844, 42305, 59227, 67688, 84610, 118454, 135376, 169220, 236908, 296135, 338440, 448433, 473816, 592270, 676880, 896866, 947632, 1184540, 1793732, 2242165, 2369080, 3139031, 3587464, 4484330, 4738160, 6278062, 7174928, 8968660, 12556124, 15695155, 17937320, 25112248, 31390310, 35874640, 50224496, 62780620, 125561240, 251122480]

約数ペア:

[(1, 251122480), (2, 125561240), (4, 62780620), (5, 50224496), (7, 35874640), (8, 31390310), (10, 25112248), (14, 17937320), (16, 15695155), (20, 12556124), (28, 8968660), (35, 7174928), (40, 6278062), (53, 4738160), (56, 4484330), (70, 3587464), (80, 3139031), (106, 2369080), (112, 2242165), (140, 1793732), (212, 1184540), (265, 947632), (280, 896866), (371, 676880), (424, 592270), (530, 473816), (560, 448433), (742, 338440), (848, 296135), (1060, 236908), (1484, 169220), (1855, 135376), (2120, 118454), (2968, 84610), (3710, 67688), (4240, 59227), (5936, 42305), (7420, 33844), (8461, 29680), (14840, 16922)]