2528744540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{202949}}^1$

素因数の和:203054

約数の個数: 48

約数和(自身を含む): 6137208000

約数和(自身を除く): 3608463460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 202949, 405898, 811796, 1014745, 1420643, 2029490, 2841286, 4058980, 5682572, 7103215, 14206430, 18062461, 28412860, 36124922, 72249844, 90312305, 126437227, 180624610, 252874454, 361249220, 505748908, 632186135, 1264372270, 2528744540]

約数ペア:

[(1, 2528744540), (2, 1264372270), (4, 632186135), (5, 505748908), (7, 361249220), (10, 252874454), (14, 180624610), (20, 126437227), (28, 90312305), (35, 72249844), (70, 36124922), (89, 28412860), (140, 18062461), (178, 14206430), (356, 7103215), (445, 5682572), (623, 4058980), (890, 2841286), (1246, 2029490), (1780, 1420643), (2492, 1014745), (3115, 811796), (6230, 405898), (12460, 202949)]