100972280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 232696800

約数和(自身を除く): 131724520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 113, 178, 226, 251, 356, 445, 452, 502, 565, 712, 890, 904, 1004, 1130, 1255, 1780, 2008, 2260, 2510, 3560, 4520, 5020, 10040, 10057, 20114, 22339, 28363, 40228, 44678, 50285, 56726, 80456, 89356, 100570, 111695, 113452, 141815, 178712, 201140, 223390, 226904, 283630, 402280, 446780, 567260, 893560, 1134520, 2524307, 5048614, 10097228, 12621535, 20194456, 25243070, 50486140, 100972280]

約数ペア:

[(1, 100972280), (2, 50486140), (4, 25243070), (5, 20194456), (8, 12621535), (10, 10097228), (20, 5048614), (40, 2524307), (89, 1134520), (113, 893560), (178, 567260), (226, 446780), (251, 402280), (356, 283630), (445, 226904), (452, 223390), (502, 201140), (565, 178712), (712, 141815), (890, 113452), (904, 111695), (1004, 100570), (1130, 89356), (1255, 80456), (1780, 56726), (2008, 50285), (2260, 44678), (2510, 40228), (3560, 28363), (4520, 22339), (5020, 20114), (10040, 10057)]