289433120

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7207}}^1$

素因数の和:7473

約数の個数: 48

約数和(自身を含む): 686605248

約数和(自身を除く): 397172128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 7207, 8032, 10040, 14414, 20080, 28828, 36035, 40160, 57656, 72070, 115312, 144140, 230624, 288280, 576560, 1153120, 1808957, 3617914, 7235828, 9044785, 14471656, 18089570, 28943312, 36179140, 57886624, 72358280, 144716560, 289433120]

約数ペア:

[(1, 289433120), (2, 144716560), (4, 72358280), (5, 57886624), (8, 36179140), (10, 28943312), (16, 18089570), (20, 14471656), (32, 9044785), (40, 7235828), (80, 3617914), (160, 1808957), (251, 1153120), (502, 576560), (1004, 288280), (1255, 230624), (2008, 144140), (2510, 115312), (4016, 72070), (5020, 57656), (7207, 40160), (8032, 36035), (10040, 28828), (14414, 20080)]